source: trunk/src/sh_processcheck.c@ 372

Last change on this file since 372 was 362, checked in by katerina, 13 years ago

Fix for ticket #267 (Multiple compiler warnings with gcc 4.6.1).
File size: 35.3 KB
Line 
1/* SAMHAIN file system integrity testing */
2/* Copyright (C) 2006 Rainer Wichmann */
3/* */
4/* This program is free software; you can redistribute it */
5/* and/or modify */
6/* it under the terms of the GNU General Public License as */
7/* published by */
8/* the Free Software Foundation; either version 2 of the License, or */
9/* (at your option) any later version. */
10/* */
11/* This program is distributed in the hope that it will be useful, */
12/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
13/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
14/* GNU General Public License for more details. */
15/* */
16/* You should have received a copy of the GNU General Public License */
17/* along with this program; if not, write to the Free Software */
18/* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
19
20/***************************************************************************
21 *
22 * This file provides a module for samhain to check for hidden/faked/missing
23 * processes on the host.
24 *
25 */
26
27#include "config_xor.h"
28
29#define _XOPEN_SOURCE 500
30
31#include <stdio.h>
32#include <stdlib.h>
33#include <ctype.h>
34#include <string.h>
35#include <sys/types.h>
36#include <dirent.h>
37#include <sys/stat.h>
38#include <signal.h>
39#include <unistd.h>
40
41#ifdef _POSIX_PRIORITY_SCHEDULING
42#include <sched.h>
43#endif
44
45#ifdef HAVE_GETPRIORITY
46#include <errno.h>
47#include <sys/resource.h>
48#endif
49
50#ifdef HAVE_SYS_STATVFS_H
51#include <sys/statvfs.h>
52#endif
53
54
55#ifdef HAVE_REGEX_H
56#include <regex.h>
57#endif
58
59#include "samhain.h"
60#include "sh_modules.h"
61#include "sh_processcheck.h"
62#include "sh_utils.h"
63#include "sh_error.h"
64#include "sh_extern.h"
65#include "sh_calls.h"
66#include "sh_pthread.h"
67
68#ifdef SH_USE_PROCESSCHECK
69
70#define FIL__ _("sh_processcheck.c")
71
72#ifdef __linux__
73#define PS_THREADS
74#endif
75
76/* We won't want to build this into yule
77 */
78#if defined (SH_WITH_CLIENT) || defined (SH_STANDALONE)
79
80SH_MUTEX_STATIC(mutex_proc_check, PTHREAD_MUTEX_INITIALIZER);
81
82/* sh_prochk_maxpid is one more than the largest pid
83 */
84static size_t sh_prochk_minpid = 0x0001;
85static size_t sh_prochk_maxpid = 0x8000;
86static size_t sh_prochk_size = 0;
87
88static int ShProchkActive = S_TRUE;
89static short * sh_prochk_res = NULL;
90
91static char * sh_prochk_pspath = NULL;
92static char * sh_prochk_psarg = NULL;
93
94#define SH_PROCHK_INTERVAL 300
95static time_t sh_prochk_interval = SH_PROCHK_INTERVAL;
96static int sh_prochk_severity = SH_ERR_SEVERE;
97static int sh_prochk_openvz = S_FALSE;
98
99static int sh_prochk_set_maxpid (const char * str);
100static int sh_prochk_set_minpid (const char * str);
101static int sh_prochk_set_active (const char *str);
102static int sh_prochk_add_process (const char *str);
103static int sh_prochk_set_pspath (const char *str);
104static int sh_prochk_set_psarg (const char *str);
105static int sh_prochk_set_interval(const char *str);
106static int sh_prochk_set_severity(const char *str);
107static int sh_prochk_set_openvz (const char *str);
108
109sh_rconf sh_prochk_table[] = {
110 {
111 N_("severityprocesscheck"),
112 sh_prochk_set_severity,
113 },
114 {
115 N_("processcheckexists"),
116 sh_prochk_add_process,
117 },
118 {
119 N_("processcheckactive"),
120 sh_prochk_set_active,
121 },
122 {
123 N_("processcheckminpid"),
124 sh_prochk_set_minpid,
125 },
126 {
127 N_("processcheckmaxpid"),
128 sh_prochk_set_maxpid,
129 },
130 {
131 N_("processcheckpspath"),
132 sh_prochk_set_pspath,
133 },
134 {
135 N_("processcheckpsarg"),
136 sh_prochk_set_psarg,
137 },
138 {
139 N_("processcheckinterval"),
140 sh_prochk_set_interval,
141 },
142 {
143 N_("processcheckisopenvz"),
144 sh_prochk_set_openvz,
145 },
146 {
147 NULL,
148 NULL
149 }
150};
151
152#define SH_PROC_MISSING 1
153#define SH_PROC_FAKED 2
154#define SH_PROC_HIDDEN 4
155#define SH_PROC_EXISTS 8
156
157#ifndef HAVE_LSTAT
158#define lstat(x,y) stat(x,y)
159#endif /* HAVE_LSTAT */
160
161#if defined(S_IFLNK) && !defined(S_ISLNK)
162#define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
163#else
164#if !defined(S_ISLNK)
165#define S_ISLNK(mode) (0)
166#endif
167#endif
168
169static const short SH_PR_PS = 0x0001;
170
171static const short SH_PR_GETSID = 0x0002;
172static const short SH_PR_KILL = 0x0004;
173static const short SH_PR_GETPGID = 0x0008;
174
175static const short SH_PR_LSTAT = 0x0010;
176static const short SH_PR_OPENDIR = 0x0020;
177static const short SH_PR_CHDIR = 0x0040;
178static const short SH_PR_SCHED = 0x0080;
179
180static const short SH_PR_PRIORITY = 0x0100;
181static const short SH_PR_STATVSF = 0x0200;
182
183static const short SH_PR_PS2 = 0x1000;
184static const short SH_PR_PS_ANY = 0x2000;
185static const short SH_PR_ALL = 0x4000;
186static const short SH_PR_ANY = 0x8000;
187
188/* /proc:
189 * linux: /proc/pid/exe
190 * freebsd: /proc/pid/file
191 * solaris10: /proc/pid/path/a.out
192 */
193static char * get_user_and_path (pid_t pid, char * user, size_t usrlen)
194{
195 extern char * sh_unix_getUIDname (int level, uid_t uid, char * out, size_t len);
196
197 char path[128];
198 char * buf;
199 struct stat sbuf;
200 int len;
201 char * tmp;
202
203 sl_snprintf (path, sizeof(path), _("/proc/%ld/exe"), (unsigned long) pid);
204
205 if (0 == retry_lstat(FIL__, __LINE__, path, &sbuf) && S_ISLNK(sbuf.st_mode))
206 {
207 goto linkread;
208 }
209
210 sl_snprintf (path, sizeof(path), _("/proc/%ld/file"), (unsigned long) pid);
211
212 if (0 == retry_lstat(FIL__, __LINE__, path, &sbuf) && S_ISLNK(sbuf.st_mode))
213 {
214 goto linkread;
215 }
216
217 sl_snprintf (path, sizeof(path), _("/proc/%ld/path/a.out"), (unsigned long) pid);
218
219 if (0 == retry_lstat(FIL__, __LINE__, path, &sbuf) && S_ISLNK(sbuf.st_mode))
220 {
221 goto linkread;
222 }
223
224 return NULL;
225
226 linkread:
227
228 buf = SH_ALLOC(PATH_MAX);
229 len = readlink(path, buf, PATH_MAX); /* flawfinder: ignore */
230 len = (len >= PATH_MAX) ? (PATH_MAX-1) : len;
231
232 if (len > 0)
233 {
234 buf[len] = '\0';
235 }
236 else
237 {
238 SH_FREE(buf);
239 return NULL;
240 }
241
242 tmp = sh_unix_getUIDname (SH_ERR_ALL, sbuf.st_uid, user, usrlen);
243
244 if (!tmp)
245 sl_snprintf (user, usrlen, "%ld", (unsigned long) sbuf.st_uid);
246
247 return buf;
248}
249
250
251struct watchlist {
252 char * str;
253 unsigned long pid;
254#ifdef HAVE_REGEX_H
255 regex_t preg;
256#endif
257 int seen;
258
259 struct watchlist *next;
260};
261
262static struct watchlist * process_check = NULL;
263
264static struct watchlist * list_missing = NULL;
265static struct watchlist * list_fake = NULL;
266static struct watchlist * list_hidden = NULL;
267
268/* recursively remove all list entries
269 */
270static void kill_list (struct watchlist * head)
271{
272 if (head->next)
273 kill_list (head->next);
274
275 if (head->str)
276 SH_FREE(head->str);
277 SH_FREE(head);
278
279 return;
280}
281
282
283/* check the list for old entries; clean out old entries; reset others
284 * Return number of non-obsolete entries
285 */
286static size_t clean_list (struct watchlist ** head_ptr)
287{
288 size_t count = 0;
289 struct watchlist * ptr = *head_ptr;
290 struct watchlist * pre = *head_ptr;
291
292 while (ptr)
293 {
294 if (ptr->seen == S_FALSE) /* obsolete entry */
295 {
296 if (ptr == pre) /* at head */
297 {
298 ptr = pre->next;
299 *head_ptr = pre->next;
300 if (pre->str)
301 SH_FREE(pre->str);
302 SH_FREE(pre);
303 pre = ptr;
304 }
305 else
306 {
307 pre->next = ptr->next;
308 if (ptr->str)
309 SH_FREE(ptr->str);
310 SH_FREE(ptr);
311 ptr = pre->next;
312 }
313 }
314 else
315 {
316 ++count;
317 ptr->seen = S_FALSE; /* reset status */
318 pre = ptr;
319 ptr = ptr->next;
320 }
321 }
322 return count;
323}
324
325/* check if process is in list; if not, add it and return false
326 */
327static int is_in_list (struct watchlist ** head_ptr,
328 char * str, unsigned long pid)
329{
330 struct watchlist * ptr = *head_ptr;
331
332 if (str)
333 {
334 while (ptr)
335 {
336 if (ptr->str && (0 == strcmp(str, ptr->str)))
337 {
338 ptr->seen = S_TRUE;
339 return S_TRUE;
340 }
341 ptr = ptr->next;
342 }
343 }
344 else
345 {
346 while (ptr)
347 {
348 if (ptr->pid == pid)
349 {
350 ptr->seen = S_TRUE;
351 return S_TRUE;
352 }
353 ptr = ptr->next;
354 }
355 }
356
357 ptr = SH_ALLOC(sizeof(struct watchlist));
358
359 if (str)
360 {
361 ptr->str = sh_util_strdup(str);
362 }
363 else
364 {
365 ptr->str = NULL;
366 ptr->pid = pid;
367 }
368 ptr->next = *head_ptr;
369 ptr->seen = S_TRUE;
370 *head_ptr = ptr;
371
372 return S_FALSE;
373}
374
375static int is_in_watchlist (const char *str, unsigned long num)
376{
377 struct watchlist * list = process_check;
378
379 while (list)
380 {
381#ifdef HAVE_REGEX_H
382 if (0 == regexec(&(list->preg), str, 0, NULL, 0))
383 {
384 list->seen = S_TRUE;
385 list->pid = num;
386 return S_TRUE;
387 }
388#else
389 if (strstr(str, list->str))
390 {
391 list->seen = S_TRUE;
392 list->pid = num;
393 return S_TRUE;
394 }
395#endif
396 list = list->next;
397 }
398 return S_FALSE;
399}
400
401/* These variables are not used anywhere. They only exist
402 * to assign &userold, &user to them, which keeps gcc from
403 * putting them into a register, and avoids the 'clobbered
404 * by longjmp' warning. And no, 'volatile' proved insufficient.
405 */
406static void * sh_dummy_watchlist = NULL;
407
408static void check_watchlist (short * res)
409{
410 struct watchlist * list = process_check;
411 char * tmp;
412 size_t indx;
413
414 /* Take the address to keep gcc from putting them into registers.
415 * Avoids the 'clobbered by longjmp' warning.
416 */
417 sh_dummy_watchlist = (void*) &list;
418
419 while (list)
420 {
421 if (list->seen == S_FALSE)
422 {
423 /* avoid repetition of messages
424 */
425 if (S_FALSE == is_in_list(&list_missing, list->str, 0))
426 {
427 SH_MUTEX_LOCK(mutex_thread_nolog);
428 tmp = sh_util_safe_name (list->str);
429 sh_error_handle(sh_prochk_severity, FIL__, __LINE__, 0,
430 MSG_PCK_MISS,
431 tmp);
432 SH_FREE(tmp);
433 SH_MUTEX_UNLOCK(mutex_thread_nolog);
434 }
435 }
436 else
437 {
438 indx = list->pid - sh_prochk_minpid;
439
440 if (list->pid < sh_prochk_maxpid && list->pid >= sh_prochk_minpid &&
441 ((res[indx] & SH_PR_ANY) == 0) && /* not found */
442 ((res[indx] & SH_PR_PS) != 0) && /* seen in first ps */
443 ((res[indx] & SH_PR_PS2) != 0)) /* seen in second ps */
444 {
445 /* fake process, thus considered missing
446 */
447 if (S_FALSE == is_in_list(&list_missing, list->str, 0))
448 {
449 SH_MUTEX_LOCK(mutex_thread_nolog);
450 tmp = sh_util_safe_name (list->str);
451 sh_error_handle(sh_prochk_severity, FIL__, __LINE__, 0,
452 MSG_PCK_MISS,
453 tmp);
454 SH_FREE(tmp);
455 SH_MUTEX_UNLOCK(mutex_thread_nolog);
456 }
457 }
458 list->seen = S_FALSE;
459 }
460 list = list->next;
461 }
462}
463
464/* Add 'str' to the list of watched processes for which
465 * existence should be checked.
466 */
467int sh_prochk_add_process (const char *str)
468{
469 struct watchlist *new;
470 int status;
471 char errbuf[256];
472
473 SL_ENTER(_("sh_prochk_add_process"));
474
475 if( str == NULL )
476 SL_RETURN(-1, _("sh_prochk_add_process") );
477
478 new = SH_ALLOC(sizeof(struct watchlist));
479 new->next = process_check;
480 new->str = sh_util_strdup(str);
481#ifdef HAVE_REGEX_H
482 status = regcomp(&(new->preg), str, REG_NOSUB|REG_EXTENDED);
483 if (status != 0)
484 {
485 regerror(status, &(new->preg), errbuf, sizeof(errbuf));
486 SH_MUTEX_LOCK(mutex_thread_nolog);
487 sh_error_handle((-1), FIL__, __LINE__, status, MSG_E_SUBGEN,
488 errbuf, _("sh_processes_add_process"));
489 SH_MUTEX_UNLOCK(mutex_thread_nolog);
490 SH_FREE(new->str);
491 SH_FREE(new);
492 SL_RETURN(-1, _("sh_prochk_add_process") );
493 }
494#endif
495 new->pid = 0;
496 new->seen = S_FALSE;
497
498 process_check = new;
499 SL_RETURN(0, _("sh_prochk_add_process") );
500}
501
502/* severity
503 */
504int sh_prochk_set_severity (const char * c)
505{
506 char tmp[32];
507 tmp[0] = '='; tmp[1] = '\0';
508 sl_strlcat (tmp, c, 32);
509 return sh_error_set_level (tmp, &sh_prochk_severity);
510}
511
512
513
514/* Path to ps
515 */
516int sh_prochk_set_pspath(const char *str)
517{
518 SL_ENTER(_("sh_prochk_set_pspath"));
519
520 if (!str && ('/' != str[0]))
521 SL_RETURN((-1), _("sh_prochk_set_pspath"));
522 if (sh_prochk_pspath)
523 SH_FREE(sh_prochk_pspath);
524 sh_prochk_pspath = sh_util_strdup (str);
525
526 SL_RETURN((0), _("sh_prochk_set_pspath"));
527
528}
529
530/* argument for ps
531 */
532int sh_prochk_set_psarg(const char *str)
533{
534 SL_ENTER(_("sh_prochk_set_psarg"));
535
536 if (sh_prochk_psarg)
537 SH_FREE(sh_prochk_psarg);
538 sh_prochk_psarg = sh_util_strdup (str);
539
540 SL_RETURN((0), _("sh_prochk_set_psarg"));
541
542}
543
544
545/* Decide if we're active.
546 */
547int sh_prochk_set_active(const char *str)
548{
549 int value;
550
551 SL_ENTER(_("sh_prochk_set_active"));
552
553 value = sh_util_flagval(str, &ShProchkActive);
554
555 SL_RETURN((value), _("sh_prochk_set_active"));
556}
557
558/* Are we on openvz.
559 */
560static int openvz_hidden = 0;
561
562int sh_prochk_set_openvz(const char *str)
563{
564 int value;
565
566 SL_ENTER(_("sh_prochk_set_openvz"));
567
568 value = sh_util_flagval(str, &sh_prochk_openvz);
569
570 if (sh_prochk_openvz != S_FALSE) {
571 openvz_hidden = 1;
572 }
573
574 SL_RETURN((value), _("sh_prochk_set_openvz"));
575}
576
577/* Minimum PID
578 */
579int sh_prochk_set_minpid(const char * str)
580{
581 size_t value;
582 char * foo;
583 int retval = 0;
584
585 SL_ENTER(_("sh_prochk_set_minpid"));
586
587 value = (size_t) strtoul(str, &foo, 0);
588 if (*foo != '\0')
589 retval = -1;
590 else
591 sh_prochk_minpid = value;
592
593 SL_RETURN((retval), _("sh_prochk_set_minpid"));
594}
595
596/* Maximum PID
597 */
598static int userdef_maxpid = 0;
599
600int sh_prochk_set_maxpid(const char * str)
601{
602 size_t value;
603 char * foo;
604 int retval = -1;
605
606 SL_ENTER(_("sh_prochk_set_maxpid"));
607
608 value = (size_t) strtoul(str, &foo, 0);
609
610 if (*foo == '\0' && SL_TRUE == sl_ok_adds(value, 1)) {
611 sh_prochk_maxpid = value + 1;
612 userdef_maxpid = 1;
613 retval = 0;
614 }
615
616 SL_RETURN((retval), _("sh_prochk_set_maxpid"));
617}
618
619int sh_prochk_set_interval (const char * c)
620{
621 int retval = 0;
622 long val;
623
624 SL_ENTER(_("sh_prochk_set_interval"));
625 val = strtol (c, (char **)NULL, 10);
626 if (val <= 0)
627 {
628 SH_MUTEX_LOCK(mutex_thread_nolog);
629 sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
630 _("process check interval"), c);
631 SH_MUTEX_UNLOCK(mutex_thread_nolog);
632 retval = -1;
633 }
634 else
635 {
636 sh_prochk_interval = (time_t) val;
637 }
638 SL_RETURN(retval, _("sh_prochk_set_interval"));
639}
640
641
642
643/* Recurse to the end of the list and then free the data as we return
644 * back up towards the start, making sure to free any strdupped strings
645 */
646static void sh_prochk_free_list(struct watchlist *head)
647{
648 if ( head != NULL )
649 {
650 sh_prochk_free_list(head->next);
651 if (head->str)
652 SH_FREE(head->str);
653#ifdef HAVE_REGEX_H
654 regfree(&(head->preg));
655#endif
656 SH_FREE(head);
657 }
658 return;
659}
660
661#if defined(__linux__)
662#define PROC_PID_MAX _("/proc/sys/kernel/pid_max")
663
664static int proc_max_pid (size_t * procpid)
665{
666 char * ret;
667 unsigned long pid;
668 FILE * fd;
669 char str[128];
670 char * ptr;
671
672 SL_ENTER(_("proc_max_pid"));
673
674 if (userdef_maxpid != 0)
675 SL_RETURN((-1), _("proc_max_pid"));
676
677 if (0 == access(PROC_PID_MAX, R_OK)) /* flawfinder: ignore */
678 {
679 if (NULL != (fd = fopen(PROC_PID_MAX, "r")))
680 {
681 str[0] = '\0';
682 ret = fgets(str, 128, fd);
683 if (ret && *str != '\0')
684 {
685 pid = strtoul(str, &ptr, 0);
686 if (*ptr == '\0' || *ptr == '\n')
687 {
688 sl_fclose(FIL__, __LINE__, fd);
689 *procpid = (size_t) pid;
690 SL_RETURN(0, _("proc_max_pid"));
691 }
692 }
693 sl_fclose(FIL__, __LINE__, fd);
694 }
695 }
696 SL_RETURN((-1), _("proc_max_pid"));
697}
698#else
699static int proc_max_pid(size_t * dummy)
700{
701 (void) dummy;
702 return -1;
703}
704#endif
705
706static void sh_processes_tlist (char * list, size_t len, short res)
707{
708 if (res & SH_PR_PS) sl_strlcat(list, _(" ps(initial)"), len);
709 if (res & SH_PR_CHDIR) sl_strlcat(list, _(" chdir"), len);
710 if (res & SH_PR_OPENDIR) sl_strlcat(list, _(" opendir"), len);
711 if (res & SH_PR_LSTAT) sl_strlcat(list, _(" lstat"), len);
712 if (res & SH_PR_PRIORITY) sl_strlcat(list, _(" getpriority"), len);
713 if (res & SH_PR_SCHED) sl_strlcat(list, _(" sched_getparam"), len);
714 if (res & SH_PR_GETSID) sl_strlcat(list, _(" getsid"), len);
715 if (res & SH_PR_GETPGID) sl_strlcat(list, _(" getpgid"), len);
716 if (res & SH_PR_KILL) sl_strlcat(list, _(" kill"), len);
717 if (res & SH_PR_STATVSF) sl_strlcat(list, _(" statvfs"), len);
718 if (res & SH_PR_PS2) sl_strlcat(list, _(" ps(final)"), len);
719 return;
720}
721
722
723static short sh_processes_check (pid_t pid, short res)
724{
725 int have_checks = 0;
726 int need_checks = 0;
727#ifdef HAVE_PROCFS
728 char path[128];
729 struct stat buf;
730 DIR * dir;
731 int retval;
732#if defined(HAVE_STATVFS) && !defined(__FreeBSD__)
733 struct statvfs vfsbuf;
734#endif
735#endif
736
737#if !defined(sun) && !defined(__sun) && !defined(__sun__)
738#ifdef _POSIX_PRIORITY_SCHEDULING
739 struct sched_param p;
740#endif
741#endif
742
743 if (0 == kill(pid, 0))
744 {
745 res |= SH_PR_KILL; res |= SH_PR_ANY; ++have_checks;
746 ++need_checks;
747 }
748 else if (errno != EPERM)
749 {
750 ++need_checks;
751 }
752
753
754#ifdef HAVE_GETPGID
755 if ((pid_t)-1 != getpgid(pid))
756 {
757 res |= SH_PR_GETPGID; res |= SH_PR_ANY; ++have_checks;
758 }
759 ++need_checks;
760#endif
761
762#ifdef HAVE_GETSID
763 if ((pid_t)-1 != getsid(pid))
764 {
765 res |= SH_PR_GETSID; res |= SH_PR_ANY; ++have_checks;
766 }
767 ++need_checks;
768#endif
769
770 /* sched_getparam() is broken on solaris 10, may segfault in librt
771 */
772#if !defined(sun) && !defined(__sun) && !defined(__sun__)
773#ifdef _POSIX_PRIORITY_SCHEDULING
774 if (0 == sched_getparam (pid, &p))
775 {
776 res |= SH_PR_SCHED; res |= SH_PR_ANY; ++have_checks;
777 }
778 ++need_checks;
779#endif
780#endif
781
782#ifdef HAVE_GETPRIORITY
783 errno = 0;
784 if (((-1) == getpriority (PRIO_PROCESS, (int) pid)) && (errno == ESRCH));
785 else
786 {
787 res |= SH_PR_PRIORITY; res |= SH_PR_ANY; ++have_checks;
788 }
789 ++need_checks;
790#endif
791
792#ifdef HAVE_PROCFS
793 sl_snprintf (path, sizeof(path), "/proc/%ld", (unsigned long) pid);
794
795 do {
796 retval = lstat (path, &buf);
797 } while (retval < 0 && errno == EINTR);
798
799 if (0 == retval)
800 {
801 res |= SH_PR_LSTAT; res |= SH_PR_ANY; ++have_checks;
802 }
803 ++need_checks;
804
805 if (NULL != (dir = opendir(path)))
806 {
807 res |= SH_PR_OPENDIR; res |= SH_PR_ANY; ++have_checks;
808 closedir(dir);
809 }
810 ++need_checks;
811
812#if defined(HAVE_STATVFS) && !defined(__FreeBSD__)
813 do {
814 retval = statvfs (path, &vfsbuf);
815 } while (retval < 0 && errno == EINTR);
816
817 if (0 == retval)
818 {
819 res |= SH_PR_STATVSF; res |= SH_PR_ANY; ++have_checks;
820 }
821 ++need_checks;
822#endif
823
824#if !defined(SH_PROFILE)
825 if (0 == chdir(path))
826 {
827 res |= SH_PR_CHDIR; res |= SH_PR_ANY; ++have_checks;
828 do {
829 retval = chdir ("/");
830 } while (retval < 0 && errno == EINTR);
831 }
832 ++need_checks;
833#endif
834#endif
835
836 if (have_checks == need_checks)
837 {
838 res |= SH_PR_ALL;
839 }
840 return res;
841}
842
843extern int flag_err_debug;
844
845static int sh_processes_readps (FILE * in, short * res,
846 char * str, size_t len,
847 short flag, pid_t pid)
848{
849 int cc;
850 unsigned int lnum = 0;
851 unsigned long num = 0;
852 char c;
853 unsigned int pos = 0;
854 char tstr[256];
855 enum { SKIP_TO_WS, SKIP_WS, SKIP_TO_WS2, SKIP_WS2, GET_NUM, SKIP_END, GET_NUM2 } line;
856
857 SL_ENTER(_("sh_processes_readps"));
858
859 if (!in) {
860 SL_RETURN((-1), _("sh_processes_readps"));
861 }
862
863 tstr[(sizeof(tstr)-1)] = '\0';
864 tstr[0] = '\0';
865 line = SKIP_END; /* Skip 1st line */
866
867 do
868 {
869 cc = fgetc(in);
870
871 if (EOF == cc)
872 {
873 if (feof(in))
874 {
875 break;
876 }
877 else if (errno == EAGAIN)
878 {
879 clearerr(in);
880 continue;
881 }
882#ifdef HOST_IS_OPENBSD
883 else if (errno == ENODEV)
884 {
885 clearerr(in);
886 continue;
887 }
888#endif
889 else
890 {
891 char errbuf[SH_ERRBUF_SIZE];
892
893 /* SH_MUTEX_LOCK(mutex_thread_nolog) is in caller */
894 sh_error_handle(SH_ERR_ALL, FIL__, __LINE__, errno, MSG_E_SUBGEN,
895 sh_error_message(errno, errbuf, sizeof(errbuf)),
896 _("sh_processes_readps"));
897 break;
898 }
899 }
900
901 c = (char) cc;
902
903 if (pos < (sizeof(tstr)-1))
904 {
905 tstr[pos] = c; ++pos;
906 }
907
908 switch(line)
909 {
910 case SKIP_END:
911 if (c == '\n')
912 {
913 tstr[pos-1] = '\0';
914 if (flag_err_debug == SL_TRUE)
915 {
916 /* SH_MUTEX_LOCK(mutex_thread_nolog) is in caller */
917 sh_error_handle(SH_ERR_ALL, FIL__, __LINE__, num,
918 MSG_E_SUBGEN,
919 tstr,
920 _("sh_processes_readps"));
921 }
922 /* fprintf(stderr, "<%ld> %s\n", num, tstr); */
923 line = SKIP_WS; pos = 0;
924 if (str != NULL && num == (unsigned long) pid)
925 sl_strlcpy(str, tstr, len);
926 if (lnum != 0)
927 is_in_watchlist (tstr, num);
928 ++lnum;
929 }
930 break;
931 case SKIP_TO_WS:
932 if (!isspace(cc))
933 break;
934 line = SKIP_WS;
935 /* fallthrough */
936 case SKIP_WS:
937 if (isspace(cc))
938 break;
939 num = 0;
940 line = GET_NUM;
941 /* fallthrough */
942 case GET_NUM:
943 if (isdigit(cc))
944 {
945 num = num * 10 + (c - '0');
946 break;
947 }
948 else if (isspace(cc))
949 {
950#ifdef PS_THREADS
951 num = 0;
952 line = SKIP_WS2;
953#else
954 if (num < sh_prochk_maxpid && num >= sh_prochk_minpid)
955 {
956 res[num - sh_prochk_minpid] |= flag;
957 }
958 line = SKIP_END;
959#endif
960 break;
961 }
962 else
963 {
964 line = SKIP_TO_WS;
965 break;
966 }
967 case SKIP_TO_WS2:
968 if (!isspace(cc))
969 break;
970 line = SKIP_WS2;
971 /* fallthrough */
972 case SKIP_WS2:
973 if (isspace(cc))
974 break;
975 num = 0;
976 line = GET_NUM2;
977 /* fallthrough */
978 case GET_NUM2:
979 if (isdigit(cc))
980 {
981 num = num * 10 + (c - '0');
982 break;
983 }
984 else if (isspace(cc))
985 {
986 if (num < sh_prochk_maxpid && num >= sh_prochk_minpid)
987 {
988 res[num - sh_prochk_minpid] |= flag;
989 }
990 line = SKIP_END;
991 break;
992 }
993 else
994 {
995 line = SKIP_TO_WS2;
996 break;
997 }
998 default:
999 SL_RETURN ((-1), _("sh_processes_readps"));
1000 }
1001 } while (1);
1002
1003 if (ferror(in))
1004 {
1005 SL_RETURN ((-1), _("sh_processes_readps"));
1006 }
1007
1008 SL_RETURN ((0), _("sh_processes_readps"));
1009}
1010
1011static int sh_processes_runps (short * res, char * str, size_t len,
1012 short flag, pid_t pid)
1013{
1014 sh_tas_t task;
1015
1016 int status = 0;
1017 char * p;
1018 struct sigaction new_act;
1019 struct sigaction old_act;
1020 int retval = 0;
1021 char dir[SH_PATHBUF];
1022
1023 SL_ENTER(_("sh_processes_runps"));
1024
1025 sh_ext_tas_init(&task);
1026 p = sh_unix_getUIDdir (SH_ERR_ERR, task.run_user_uid, dir, sizeof(dir));
1027 if (p)
1028 {
1029 (void) sh_ext_tas_add_envv (&task, _("HOME"), p);
1030 }
1031 (void) sh_ext_tas_add_envv (&task, _("SHELL"),
1032 _("/bin/sh"));
1033 (void) sh_ext_tas_add_envv (&task, _("PATH"),
1034 _("/sbin:/usr/sbin:/bin:/usr/bin"));
1035 if (sh.timezone != NULL)
1036 {
1037 (void) sh_ext_tas_add_envv(&task, "TZ", sh.timezone);
1038 }
1039
1040 if (!sh_prochk_pspath)
1041 sh_ext_tas_command(&task, PSPATH);
1042 else
1043 sh_ext_tas_command(&task, sh_prochk_pspath);
1044
1045 (void) sh_ext_tas_add_argv(&task, _("ps"));
1046
1047 if (!sh_prochk_psarg)
1048 {
1049#ifdef PS_THREADS
1050 (void) sh_ext_tas_add_argv(&task, _("-eT"));
1051#else
1052 (void) sh_ext_tas_add_argv(&task, PSARG);
1053#endif
1054 }
1055 else
1056 {
1057 (void) sh_ext_tas_add_argv(&task, sh_prochk_psarg);
1058 }
1059
1060 task.rw = 'r';
1061 task.fork_twice = S_FALSE;
1062
1063 status = sh_ext_popen(&task);
1064 if (status != 0)
1065 {
1066 /* SH_MUTEX_LOCK(mutex_thread_nolog) is in caller */
1067 sh_error_handle(SH_ERR_ALL, FIL__, __LINE__, status, MSG_E_SUBGEN,
1068 _("Could not open pipe"), _("sh_processes_runps"));
1069 SL_RETURN ((-1), _("sh_processes_runps"));
1070 }
1071
1072 /* ignore SIGPIPE (instead get EPIPE if connection is closed)
1073 */
1074 new_act.sa_handler = SIG_IGN;
1075 (void) retry_sigaction (FIL__, __LINE__, SIGPIPE, &new_act, &old_act);
1076
1077 /* read from the open pipe
1078 */
1079 if (task.pipe != NULL)
1080 {
1081 retval = sh_processes_readps (task.pipe, res, str, len, flag, pid);
1082 }
1083
1084 /* restore old signal handler
1085 */
1086 (void) retry_sigaction (FIL__, __LINE__, SIGPIPE, &old_act, NULL);
1087
1088 /* close pipe and return exit status
1089 */
1090 (void) sh_ext_pclose(&task);
1091 sh_ext_tas_free (&task);
1092 SL_RETURN ((retval), _("sh_processes_runps"));
1093}
1094
1095/* Check whether there is a visible process
1096 * with PID = i + 1024
1097 */
1098static size_t p_store = 0;
1099
1100static int openvz_ok(short * res, size_t i)
1101{
1102
1103 if (sh_prochk_openvz == S_FALSE) {
1104 return 0;
1105 }
1106
1107 i += 1024;
1108
1109 if (i >= sh_prochk_size) {
1110 return 0;
1111 }
1112
1113 if ( ((res[i] & SH_PR_PS) || (res[i] & SH_PR_PS2)) && (res[i] & SH_PR_ANY))
1114 {
1115 /* This is a system process corresponding to a 'virtual'
1116 * process that has a PID offset by 1024
1117 */
1118 return 1;
1119 }
1120
1121 if (openvz_hidden > 0)
1122 {
1123 p_store = i;
1124 --openvz_hidden;
1125 return 1;
1126 }
1127 else if (i == p_store)
1128 {
1129 return 1;
1130 }
1131
1132 return 0;
1133}
1134
1135static int sh_process_check_int (short * res)
1136{
1137 volatile size_t i;
1138 size_t j;
1139 char tests[512];
1140 volatile int retval;
1141
1142 pid_t this_pid;
1143
1144 SL_ENTER(_("sh_process_check_int"));
1145
1146 this_pid = getpid();
1147
1148 if (!res)
1149 {
1150 SH_MUTEX_LOCK(mutex_thread_nolog);
1151 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
1152 _("Internal error: NULL argument, switching off"),
1153 _("sh_process_check_int"));
1154 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1155 SL_RETURN ((-1), _("sh_process_check_int"));
1156 }
1157
1158 SH_MUTEX_LOCK(mutex_thread_nolog);
1159 retval = sh_processes_runps (res, NULL, 0, SH_PR_PS, 0);
1160 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1161 for (i = sh_prochk_minpid; i != sh_prochk_maxpid; ++i)
1162 {
1163 j = i - sh_prochk_minpid;
1164 res[j] = sh_processes_check ((pid_t) i, res[j]);
1165 }
1166 SH_MUTEX_LOCK(mutex_thread_nolog);
1167 retval += sh_processes_runps (res, NULL, 0, SH_PR_PS2, 0);
1168 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1169
1170 if (retval != 0)
1171 {
1172 SH_MUTEX_LOCK(mutex_thread_nolog);
1173 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
1174 _("Failed to run ps, switching off"),
1175 _("sh_process_check_int"));
1176 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1177 SL_RETURN ((-1), _("sh_process_check_int"));
1178 }
1179
1180 /* Evaluate results
1181 */
1182 for (i = sh_prochk_minpid; i != sh_prochk_maxpid; ++i)
1183 {
1184 /* don't check the current process
1185 */
1186 if (i == (size_t) this_pid)
1187 continue;
1188
1189 j = i - sh_prochk_minpid;
1190
1191 if (((res[j] & SH_PR_PS) != 0) || ((res[j] & SH_PR_PS2) != 0))
1192 {
1193 res[j] |= SH_PR_PS_ANY;
1194 }
1195 else
1196 {
1197 res[j] &= ~SH_PR_PS_ANY;
1198 }
1199
1200 tests[0] = '\0';
1201
1202 if ((res[j] & SH_PR_ANY) || (res[j] & SH_PR_PS_ANY))
1203 {
1204 /* list all tests where the pid was found
1205 */
1206 sh_processes_tlist (tests, sizeof(tests), res[j]);
1207
1208 /*
1209 * case 1: in ps and found
1210 */
1211 if ((res[j] & SH_PR_PS_ANY) && (res[j] & SH_PR_ANY))
1212 {
1213 SH_MUTEX_LOCK(mutex_thread_nolog);
1214 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_PCK_OK,
1215 (unsigned long) i, tests);
1216 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1217 }
1218
1219 /*
1220 * case 2: not in ps and found
1221 */
1222 else if ((res[j] & SH_PR_PS_ANY) == 0)
1223 {
1224 res[j] = sh_processes_check ((pid_t) i, 0);
1225 /*
1226 * if still there, it is real and hidden
1227 */
1228 if ((res[j] & SH_PR_ANY) && !openvz_ok(res, j))
1229 {
1230 if (S_FALSE == is_in_list(&list_hidden, NULL, i))
1231 {
1232 char user[16];
1233 char * aout;
1234 char * safe;
1235
1236 SH_MUTEX_LOCK(mutex_thread_nolog);
1237 aout = get_user_and_path ((pid_t) i, user, sizeof(user));
1238 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1239
1240 if (aout)
1241 {
1242 safe = sh_util_safe_name (aout);
1243 SH_MUTEX_LOCK(mutex_thread_nolog);
1244 sh_error_handle(sh_prochk_severity, FIL__, __LINE__, 0,
1245 MSG_PCK_P_HIDDEN,
1246 (unsigned long) i, tests, safe, user);
1247 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1248 SH_FREE(safe);
1249 SH_FREE(aout);
1250 }
1251 else
1252 {
1253 SH_MUTEX_LOCK(mutex_thread_nolog);
1254 sh_error_handle(sh_prochk_severity, FIL__, __LINE__, 0,
1255 MSG_PCK_HIDDEN,
1256 (unsigned long) i, tests);
1257 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1258 }
1259 }
1260 }
1261 }
1262
1263 /*
1264 * case 3: in ps, but not found
1265 */
1266 else
1267 {
1268 if (((res[j] & SH_PR_PS) != 0) && ((res[j] & SH_PR_PS2) != 0))
1269 {
1270 if (S_FALSE == is_in_list(&list_fake, NULL, i))
1271 {
1272 SH_MUTEX_LOCK(mutex_thread_nolog);
1273 sh_error_handle(sh_prochk_severity, FIL__, __LINE__, 0,
1274 MSG_PCK_FAKE,
1275 (unsigned long) i, tests);
1276 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1277 }
1278 }
1279 }
1280 }
1281 } /* loop end */
1282
1283 check_watchlist (res);
1284
1285 SL_RETURN (0, _("sh_process_check_int"));
1286}
1287
1288/* Initialise.
1289 */
1290static int sh_prochk_init_internal(void)
1291{
1292 SL_ENTER(_("sh_prochk_init"));
1293
1294 (void) proc_max_pid (&sh_prochk_maxpid);
1295
1296 if (sh_prochk_minpid > sh_prochk_maxpid)
1297 ShProchkActive = S_FALSE;
1298
1299 /* We need to free anything allocated by the configuration functions if
1300 * we find that the module is to be left inactive - otherwise _reconf()
1301 * won't quite work.
1302 */
1303 if( ShProchkActive == S_FALSE )
1304 {
1305 sh_prochk_free_list(process_check);
1306 process_check = NULL;
1307 SL_RETURN(-1, _("sh_prochk_init"));
1308 }
1309
1310 sh_prochk_size = sh_prochk_maxpid - sh_prochk_minpid;
1311
1312 if (sh_prochk_res == NULL)
1313 {
1314 sh_prochk_res = SH_ALLOC(sizeof(short) * sh_prochk_size);
1315 }
1316 memset (sh_prochk_res, 0, sizeof(short) * sh_prochk_size);
1317
1318 SL_RETURN(0, _("sh_prochk_init"));
1319}
1320
1321int sh_prochk_init (struct mod_type * arg)
1322{
1323#ifndef HAVE_PTHREAD
1324 (void) arg;
1325#endif
1326
1327 if (ShProchkActive == S_FALSE)
1328 return SH_MOD_FAILED;
1329#ifdef HAVE_PTHREAD
1330 if (arg != NULL && arg->initval < 0 &&
1331 (sh.flag.isdaemon == S_TRUE || sh.flag.loop == S_TRUE))
1332 {
1333 if (0 == sh_pthread_create(sh_threaded_module_run, (void *)arg))
1334 return SH_MOD_THREAD;
1335 else
1336 return SH_MOD_FAILED;
1337 }
1338 else if (arg != NULL && arg->initval == SH_MOD_THREAD &&
1339 (sh.flag.isdaemon == S_TRUE || sh.flag.loop == S_TRUE))
1340 {
1341 sh_prochk_init_internal();
1342 return SH_MOD_THREAD;
1343 }
1344#endif
1345 return sh_prochk_init_internal();
1346}
1347
1348int sh_prochk_timer(time_t tcurrent)
1349{
1350 static time_t lastcheck = 0;
1351
1352 SL_ENTER(_("sh_prochk_timer"));
1353 if ((time_t) (tcurrent - lastcheck) >= sh_prochk_interval)
1354 {
1355 lastcheck = tcurrent;
1356 SL_RETURN((-1), _("sh_prochk_timer"));
1357 }
1358 SL_RETURN(0, _("sh_prochk_timer"));
1359}
1360
1361int sh_prochk_check(void)
1362{
1363 int status;
1364
1365 SL_ENTER(_("sh_prochk_check"));
1366
1367 SH_MUTEX_LOCK(mutex_proc_check);
1368
1369 status = 0;
1370
1371 if( ShProchkActive != S_FALSE )
1372 {
1373 SH_MUTEX_LOCK(mutex_thread_nolog);
1374 sh_error_handle((-1), FIL__, __LINE__, 0, MSG_PCK_CHECK,
1375 (unsigned long) sh_prochk_minpid,
1376 (unsigned long) (sh_prochk_maxpid-1));
1377 SH_MUTEX_UNLOCK(mutex_thread_nolog);
1378
1379 if (sh_prochk_res) {
1380 memset (sh_prochk_res, 0, sizeof(short) * sh_prochk_size);
1381 }
1382 status = sh_process_check_int(sh_prochk_res);
1383
1384 if (status != 0)
1385 ShProchkActive = S_FALSE;
1386
1387 /* clean out old entries which are not marked
1388 * as missing/hidden/fake anymore
1389 */
1390 clean_list (&list_missing);
1391 clean_list (&list_hidden);
1392 clean_list (&list_fake);
1393 }
1394
1395 SH_MUTEX_UNLOCK(mutex_proc_check);
1396
1397 SL_RETURN(status, _("sh_prochk_check"));
1398}
1399
1400/* Free our lists and the associated memory
1401 */
1402int sh_prochk_cleanup(void)
1403{
1404 SL_ENTER(_("sh_prochk_cleanup"));
1405
1406 sh_prochk_reconf();
1407
1408 if (list_missing) {
1409 kill_list(list_missing);
1410 list_missing = NULL;
1411 }
1412 if (list_hidden) {
1413 kill_list(list_hidden);
1414 list_hidden = NULL;
1415 }
1416 if (list_fake) {
1417 kill_list(list_fake);
1418 list_fake = NULL;
1419 }
1420
1421 SL_RETURN(0, _("sh_prochk_cleanup"));
1422}
1423
1424/* Free our lists and the associated memory
1425 */
1426int sh_prochk_reconf(void)
1427{
1428 SL_ENTER(_("sh_prochk_reconf"));
1429
1430 SH_MUTEX_LOCK(mutex_proc_check);
1431 userdef_maxpid = 0;
1432 sh_prochk_maxpid = 0x8000;
1433 sh_prochk_minpid = 0x0001;
1434 sh_prochk_interval = SH_PROCHK_INTERVAL;
1435 sh_prochk_openvz = S_FALSE;
1436 p_store = 0;
1437 openvz_hidden = 0;
1438
1439 sh_prochk_free_list(process_check);
1440 process_check = NULL;
1441 if (sh_prochk_res != NULL)
1442 SH_FREE(sh_prochk_res);
1443 sh_prochk_res = NULL;
1444
1445 if (sh_prochk_psarg)
1446 SH_FREE(sh_prochk_psarg);
1447 sh_prochk_psarg = NULL;
1448 if (sh_prochk_pspath)
1449 SH_FREE(sh_prochk_pspath);
1450 sh_prochk_pspath = NULL;
1451 SH_MUTEX_UNLOCK(mutex_proc_check);
1452
1453 SL_RETURN(0, _("sh_prochk_reconf"));
1454}
1455
1456/* #if defined (SH_WITH_CLIENT) || defined (SH_STANDALONE) */
1457#endif
1458
1459/* #ifdef SH_USE_PROCESSCHECK */
1460#endif
1461
1462
1463#ifdef SH_CUTEST
1464#include "CuTest.h"
1465
1466void Test_processcheck_watchlist_ok (CuTest *tc) {
1467#if defined(SH_USE_PROCESSCHECK) && (defined(SH_WITH_CLIENT) || defined(SH_STANDALONE))
1468 CuAssertTrue(tc, 0 == sh_prochk_add_process("init"));
1469 CuAssertTrue(tc,
1470 S_TRUE == is_in_watchlist(" 1 ? 00:00:00 init", 0));
1471 CuAssertTrue(tc,
1472 S_FALSE == is_in_watchlist(" 1 ? 00:00:00 flix", 0));
1473 CuAssertTrue(tc,
1474 S_TRUE == is_in_watchlist("25218 ? SNs 0:01 /usr/sbin/init -k start -DSSL", 0));
1475 CuAssertTrue(tc,
1476 S_FALSE == is_in_watchlist("25218 ? SNs 0:01 /usr/sbin/apache2 -k start -DSSL", 0));
1477
1478
1479 sh_prochk_free_list(process_check);
1480 process_check = NULL;
1481 CuAssertTrue(tc, S_FALSE == is_in_watchlist("init", 0));
1482
1483 CuAssertTrue(tc, 0 == sh_prochk_add_process("init"));
1484 CuAssertTrue(tc, 0 == sh_prochk_add_process("ssh"));
1485 CuAssertTrue(tc, 0 == sh_prochk_add_process("syslog"));
1486 CuAssertTrue(tc, S_TRUE == is_in_watchlist("init", 0));
1487 CuAssertTrue(tc, S_TRUE == is_in_watchlist("ssh", 0));
1488 CuAssertTrue(tc, S_TRUE == is_in_watchlist("syslog", 0));
1489
1490 sh_prochk_free_list(process_check);
1491 process_check = NULL;
1492 CuAssertTrue(tc, S_FALSE == is_in_watchlist("init", 0));
1493 CuAssertTrue(tc, S_FALSE == is_in_watchlist("ssh", 0));
1494 CuAssertTrue(tc, S_FALSE == is_in_watchlist("syslog", 0));
1495#else
1496 (void) tc; /* fix compiler warning */
1497#endif
1498 return;
1499}
1500
1501void Test_processcheck_listhandle_ok (CuTest *tc) {
1502#if defined(SH_USE_PROCESSCHECK) && (defined(SH_WITH_CLIENT) || defined(SH_STANDALONE))
1503 CuAssertTrue(tc, S_FALSE == is_in_list(&list_missing, "init", 0));
1504 CuAssertTrue(tc, S_TRUE == is_in_list(&list_missing, "init", 0));
1505 CuAssertTrue(tc, S_FALSE == is_in_list(&list_missing, "foobar", 0));
1506 CuAssertTrue(tc, S_TRUE == is_in_list(&list_missing, "foobar", 0));
1507
1508 if (list_missing)
1509 kill_list(list_missing);
1510 list_missing = NULL;
1511
1512 CuAssertTrue(tc, S_FALSE == is_in_list(&list_missing, "init", 0));
1513 CuAssertTrue(tc, S_TRUE == is_in_list(&list_missing, "init", 0));
1514 CuAssertTrue(tc, S_FALSE == is_in_list(&list_missing, "foobar", 0));
1515 CuAssertTrue(tc, S_TRUE == is_in_list(&list_missing, "foobar", 0));
1516
1517 if (list_missing)
1518 kill_list(list_missing);
1519 list_missing = NULL;
1520
1521 CuAssertTrue(tc, S_FALSE == is_in_list(&list_missing, "init", 0));
1522 CuAssertTrue(tc, S_TRUE == is_in_list(&list_missing, "init", 0));
1523 CuAssertTrue(tc, S_FALSE == is_in_list(&list_missing, "foobar", 0));
1524 CuAssertTrue(tc, S_TRUE == is_in_list(&list_missing, "foobar", 0));
1525
1526 CuAssertTrue(tc, 2 == clean_list(&list_missing));
1527 CuAssertPtrNotNull(tc, list_missing);
1528
1529 CuAssertTrue(tc, S_TRUE == is_in_list(&list_missing, "init", 0));
1530 CuAssertTrue(tc, S_TRUE == is_in_list(&list_missing, "foobar", 0));
1531
1532 CuAssertTrue(tc, 2 == clean_list(&list_missing));
1533 CuAssertPtrNotNull(tc, list_missing);
1534
1535 CuAssertTrue(tc, 0 == clean_list(&list_missing));
1536 CuAssertTrue(tc, NULL == list_missing);
1537#else
1538 (void) tc; /* fix compiler warning */
1539#endif
1540 return;
1541}
1542
1543
1544/* #ifdef SH_CUTEST */
1545#endif
1546
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