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source: trunk/src/sh_suidchk.c@ 335

Last change on this file since 335 was 335, checked in by katerina, 14 years ago
Module cleanup/thread restart at configuration reload.
File size: 62.6 KB

Rev	Line
[1]	1	/* SAMHAIN file system integrity testing */
	2	/* Copyright (C) 2001 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	#include "config_xor.h"
	21
	22
	23	#include <stdio.h>
	24	#include <stdlib.h>
	25	#include <string.h>
	26	#include <sys/types.h>
	27	#include <sys/stat.h>
	28	#include <fcntl.h>
	29	#include <unistd.h>
	30	#include <errno.h>
	31	#include <limits.h>
[94]	32
[1]	33	#ifdef HAVE_SCHED_H
	34	#include <sched.h>
	35	#endif
	36
	37	#ifdef SH_USE_SUIDCHK
	38
	39	#undef FIL__
	40	#define FIL__ _("sh_suidchk.c")
	41
	42	#if defined (SH_WITH_CLIENT) \|\| defined (SH_STANDALONE)
	43
	44	#if TIME_WITH_SYS_TIME
	45	#include <sys/time.h>
	46	#include <time.h>
	47	#else
	48	#if HAVE_SYS_TIME_H
	49	#include <sys/time.h>
	50	#else
	51	#include <time.h>
	52	#endif
	53	#endif
	54
	55	#ifdef HAVE_DIRENT_H
	56	#include <dirent.h>
	57	#define NAMLEN(dirent) sl_strlen((dirent)->d_name)
	58	#else
	59	#define dirent direct
	60	#define NAMLEN(dirent) (dirent)->d_namlen
	61	#ifdef HAVE_SYS_NDIR_H
	62	#include <sys/ndir.h>
	63	#endif
	64	#ifdef HAVE_SYS_DIR_H
	65	#include <sys/dir.h>
	66	#endif
	67	#ifdef HAVE_NDIR_H
	68	#include <ndir.h>
	69	#endif
	70	#endif
[137]	71	#define NEED_ADD_DIRENT
[1]	72
	73	#include "samhain.h"
[131]	74	#include "sh_pthread.h"
[1]	75	#include "sh_utils.h"
	76	#include "sh_error.h"
	77	#include "sh_modules.h"
	78	#include "sh_suidchk.h"
	79	#include "sh_hash.h"
	80	#include "sh_unix.h"
	81	#include "sh_files.h"
	82	#include "sh_schedule.h"
	83	#include "sh_calls.h"
	84
	85
	86	sh_rconf sh_suidchk_table[] = {
	87	{
	88	N_("severitysuidcheck"),
	89	sh_suidchk_set_severity
	90	},
	91	{
	92	N_("suidcheckactive"),
	93	sh_suidchk_set_activate
	94	},
	95	{
	96	N_("suidcheckinterval"),
	97	sh_suidchk_set_timer
	98	},
	99	{
	100	N_("suidcheckschedule"),
	101	sh_suidchk_set_schedule
	102	},
	103	{
	104	N_("suidcheckexclude"),
	105	sh_suidchk_set_exclude
	106	},
	107	{
	108	N_("suidcheckfps"),
	109	sh_suidchk_set_fps
	110	},
	111	{
	112	N_("suidcheckyield"),
	113	sh_suidchk_set_yield
	114	},
	115	{
[119]	116	N_("suidchecknosuid"),
	117	sh_suidchk_set_nosuid
	118	},
	119	{
[1]	120	N_("suidcheckquarantinefiles"),
	121	sh_suidchk_set_quarantine
	122	},
	123	{
	124	N_("suidcheckquarantinemethod"),
	125	sh_suidchk_set_qmethod
	126	},
	127	{
	128	N_("suidcheckquarantinedelete"),
	129	sh_suidchk_set_qdelete
	130	},
	131	{
	132	NULL,
	133	NULL
	134	},
	135	};
	136
	137
	138	static time_t lastcheck = (time_t) 0;
	139	static int ShSuidchkActive = S_TRUE;
	140	static time_t ShSuidchkInterval = 7200;
	141	static long ShSuidchkFps = 0;
[119]	142	static int ShSuidchkNosuid = S_FALSE;
[1]	143	static int ShSuidchkYield = S_FALSE;
	144	static int ShSuidchkQEnable = S_FALSE;
	145	static int ShSuidchkQMethod = SH_Q_CHANGEPERM;
	146	static int ShSuidchkQDelete = S_FALSE;
	147	static int ShSuidchkSeverity = SH_ERR_SEVERE;
	148	static char * ShSuidchkExclude = NULL;
[68]	149	static size_t ExcludeLen = 0;
[1]	150
	151	static time_t FileLimNow = 0;
	152	static time_t FileLimStart = 0;
	153	static long FileLimNum = 0;
	154	static long FileLimTotal = 0;
	155
	156	static sh_schedule_t * ShSuidchkSched = NULL;
	157
	158	static char *
	159	filesystem_type (char * path, char * relpath, struct stat * statp);
	160
	161	#ifndef PATH_MAX
	162	#define PATH_MAX 1024
	163	#endif
	164
[253]	165	SH_MUTEX_STATIC(mutex_suid_check, PTHREAD_MUTEX_INITIALIZER);
	166
[1]	167	extern unsigned long sh_files_maskof (int class);
	168
[149]	169	static void set_defaults (void)
	170	{
	171	ShSuidchkActive = S_TRUE;
	172	ShSuidchkInterval = 7200;
	173	ShSuidchkFps = 0;
	174	ShSuidchkNosuid = S_FALSE;
	175	ShSuidchkYield = S_FALSE;
	176	ShSuidchkQEnable = S_FALSE;
	177	ShSuidchkQMethod = SH_Q_CHANGEPERM;
	178	ShSuidchkQDelete = S_FALSE;
	179	ShSuidchkSeverity = SH_ERR_SEVERE;
	180	if (ShSuidchkExclude != NULL)
	181	SH_FREE(ShSuidchkExclude);
	182	ShSuidchkExclude = NULL;
	183	ExcludeLen = 0;
	184
	185	FileLimNow = 0;
	186	FileLimStart = 0;
	187	FileLimNum = 0;
	188	FileLimTotal = 0;
	189
	190	return;
	191	}
	192
[1]	193	/* Recursively descend into the directory to make sure that
	194	* there is no symlink in the path.
[317]	195	*
	196	* Use retry_lstat_ns() here because we cannot chdir the subprocess
	197	* that does the lstat().
[1]	198	*/
	199	static int do_truncate_int (char * path, int depth)
	200	{
	201	char * q;
	202	struct stat one;
	203	struct stat two;
	204	int fd;
[132]	205	char errbuf[SH_ERRBUF_SIZE];
[1]	206
	207	if (depth > 99)
	208	{
[253]	209	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	210	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	211	MSG_SUID_ERROR,
	212	_("do_truncate: max depth 99 exceeded"));
[253]	213	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	214	return -1;
	215	}
	216	++depth;
	217	if (path[0] != '/')
	218	{
[253]	219	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	220	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	221	MSG_SUID_ERROR,
	222	_("do_truncate: not an absolute path"));
[253]	223	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	224	return -1;
	225	}
	226	++path;
	227	q = strchr(path, '/');
	228	if (q)
	229	{
	230	*q = '\0';
[317]	231	if (0 != retry_lstat_ns(FIL__, __LINE__, path, &one))
[1]	232	{
[253]	233	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	234	sh_error_handle ((-1), FIL__, __LINE__, errno,
	235	MSG_SUID_ERROR,
[132]	236	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	237	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	238	*q = '/';
	239	return -1;
	240	}
	241	if (/@-usedef@/!S_ISDIR(one.st_mode)/@+usedef@/)
	242
	243	{
[253]	244	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	245	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	246	MSG_SUID_ERROR,
	247	_("Possible race: not a directory"));
[253]	248	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	249	*q = '/';
	250	return -1;
	251	}
	252
	253
	254	if (0 != chdir(path))
	255	{
[253]	256	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	257	sh_error_handle ((-1), FIL__, __LINE__, errno,
	258	MSG_SUID_ERROR,
[132]	259	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	260	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	261	*q = '/';
	262	return -1;
	263	}
	264	*q = '/';
[317]	265	if (0 != retry_lstat_ns(FIL__, __LINE__, ".", &two))
[1]	266	{
	267	sh_error_handle ((-1), FIL__, __LINE__, errno,
	268	MSG_SUID_ERROR,
[132]	269	sh_error_message(errno, errbuf, sizeof(errbuf)));
[1]	270	return -1;
	271	}
	272	if (/@-usedef@/(one.st_dev != two.st_dev) \|\|
	273	(one.st_ino != two.st_ino) \|\|
	274	(!S_ISDIR(two.st_mode))/@+usedef@/)
	275	{
[253]	276	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	277	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	278	MSG_SUID_ERROR,
	279	_("Possible race: lstat(dir) != lstat(.)"));
[253]	280	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	281	return -1;
	282	}
	283
	284
	285	return (do_truncate_int(q, depth));
	286	}
	287	else
	288	{
	289	/* no more '/', so this is the file
	290	*/
	291	if (*path == '\0')
	292	return -1;
[317]	293	if (0 != retry_lstat_ns(FIL__, __LINE__, path, &one))
[1]	294	{
[253]	295	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	296	sh_error_handle ((-1), FIL__, __LINE__, errno,
	297	MSG_SUID_ERROR,
[132]	298	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	299	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	300	return -1;
	301	}
	302	fd = open(path, O_RDWR);
	303	if (-1 == fd)
	304	{
[253]	305	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	306	sh_error_handle ((-1), FIL__, __LINE__, errno,
	307	MSG_SUID_ERROR,
[132]	308	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	309	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	310	return -1;
	311	}
	312	if (0 != retry_fstat(FIL__, __LINE__, fd, &two))
	313	{
[253]	314	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	315	sh_error_handle ((-1), FIL__, __LINE__, errno,
	316	MSG_SUID_ERROR,
[132]	317	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	318	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	319	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	320	return -1;
	321	}
	322	if (/@-usedef@/(one.st_dev != two.st_dev) \|\|
	323	(one.st_ino != two.st_ino)/@+usedef@/)
	324	{
[253]	325	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	326	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	327	MSG_SUID_ERROR,
	328	_("Possible race: lstat != fstat"));
[253]	329	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	330	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	331	return -1;
	332	}
	333	if (!S_ISREG(two.st_mode))
	334	{
[253]	335	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	336	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	337	MSG_SUID_ERROR,
	338	_("Possible race: not a regular file"));
[253]	339	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	340	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	341	return -1;
	342	}
	343	if ((0 == (two.st_mode & S_ISUID)) && (0 == (two.st_mode & S_ISGID)))
	344	{
[253]	345	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	346	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	347	MSG_SUID_ERROR,
	348	_("Possible race: not a suid/sgid file"));
[253]	349	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	350	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	351	return -1;
	352	}
	353	if (ShSuidchkQDelete == S_FALSE)
	354	{
	355	if ((two.st_mode & S_ISUID) > 0)
	356	two.st_mode -= S_ISUID;
	357	if ((two.st_mode & S_ISGID) > 0)
	358	two.st_mode -= S_ISGID;
	359	#ifdef HAVE_FCHMOD
	360	if (-1 == /@-unrecog@/fchmod(fd, two.st_mode)/@+unrecog@/)
	361	{
[253]	362	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	363	sh_error_handle ((-1), FIL__, __LINE__, errno,
	364	MSG_SUID_ERROR,
[132]	365	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	366	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	367	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	368	return -1;
	369	}
	370	#else
[253]	371	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	372	sh_error_handle ((-1), FIL__, __LINE__, errno,
	373	MSG_SUID_ERROR,
	374	_("The fchmod() function is not available"));
[253]	375	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	376	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	377	return -1;
	378	#endif
	379	if (two.st_nlink > 1)
	380	{
[253]	381	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	382	sh_error_handle ((-1), FIL__, __LINE__, 0,
	383	MSG_SUID_ERROR,
	384	_("Not truncated because hardlink count gt 1"));
[253]	385	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	386	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	387	return -1;
	388	}
	389	/* The man page says: 'POSIX has ftruncate'
	390	*/
	391	if (-1 == /@-unrecog@/ftruncate(fd, 0)/@+unrecog@/)
	392	{
[253]	393	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	394	sh_error_handle ((-1), FIL__, __LINE__, errno,
	395	MSG_SUID_ERROR,
[132]	396	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	397	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	398	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	399	return -1;
	400	}
	401	}
	402	else
	403	{
	404	if (-1 == retry_aud_unlink(FIL__, __LINE__, path))
	405	{
[253]	406	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	407	sh_error_handle ((-1), FIL__, __LINE__, errno,
	408	MSG_SUID_ERROR,
[132]	409	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	410	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	411	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	412	return -1;
	413	}
	414	}
[252]	415	(void) sl_close_fd (FIL__, __LINE__, fd);
[1]	416	return (0);
	417	}
	418	}
	419
[94]	420	static int do_truncate (const char * path_in)
[1]	421	{
[253]	422	volatile int caperr;
[94]	423	int result;
	424	char * path;
[132]	425	char errbuf[SH_ERRBUF_SIZE];
[1]	426
	427	if (0 != chdir("/"))
	428	{
[253]	429	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	430	sh_error_handle ((-1), FIL__, __LINE__, errno,
	431	MSG_SUID_ERROR,
[132]	432	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	433	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	434	}
	435
	436	if (0 != (caperr = sl_get_cap_qdel()))
	437	{
[253]	438	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	439	sh_error_handle((-1), FIL__, __LINE__, caperr, MSG_E_SUBGEN,
[132]	440	sh_error_message (caperr, errbuf, sizeof(errbuf)),
[1]	441	_("sl_get_cap_qdel"));
[253]	442	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	443	}
	444
[94]	445	path = sh_util_strdup (path_in);
[1]	446	result = do_truncate_int (path, 0);
[94]	447	SH_FREE(path);
[1]	448
	449	if (0 != (caperr = sl_drop_cap_qdel()))
	450	{
[253]	451	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	452	sh_error_handle((-1), FIL__, __LINE__, caperr, MSG_E_SUBGEN,
[132]	453	sh_error_message (caperr, errbuf, sizeof(errbuf)),
[1]	454	_("sl_drop_cap_qdel"));
[253]	455	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	456	}
	457
	458	if (0 != chdir("/"))
	459	{
[253]	460	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	461	sh_error_handle ((-1), FIL__, __LINE__, errno,
	462	MSG_SUID_ERROR,
[132]	463	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	464	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	465	}
	466	return result;
	467	}
	468
[253]	469	/* This variable is not used anywhere. It only exists
	470	* to assign &dirlist to it, which keeps gcc from
	471	* putting it into a register, and avoids the 'clobbered
	472	* by longjmp' warning. And no, 'volatile' proved insufficient.
	473	*/
	474	static void * sh_dummy_tmp = NULL;
	475
[94]	476	static void sh_q_delete(const char * fullpath)
	477	{
	478	int status;
	479	char * msg;
	480	char * tmp;
	481
[253]	482	/* Take the address to keep gcc from putting it into a register.
	483	* Avoids the 'clobbered by longjmp' warning.
	484	*/
	485	sh_dummy_tmp = (void*) &tmp;
	486
[94]	487	if (do_truncate (fullpath) == -1)
	488	{
	489	status = errno;
	490	msg = SH_ALLOC(SH_BUFSIZE);
	491	tmp = sh_util_safe_name(fullpath);
	492
	493	(void) sl_snprintf(msg, SH_BUFSIZE,
	494	_("Problem quarantining file. File NOT quarantined. errno = %ld"),
	495	status);
[253]	496	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	497	sh_error_handle (ShSuidchkSeverity,
	498	FIL__, __LINE__,
	499	status,
	500	MSG_SUID_QREPORT, msg,
	501	tmp );
[253]	502	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	503	SH_FREE(tmp);
	504	SH_FREE(msg);
	505	}
	506	else
	507	{
	508	tmp = sh_util_safe_name(fullpath);
[253]	509	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	510	sh_error_handle (ShSuidchkSeverity,
	511	FIL__, __LINE__, 0,
	512	MSG_SUID_QREPORT,
	513	_("Quarantine method applied"),
	514	tmp );
[253]	515	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	516	SH_FREE(tmp);
	517	}
	518	return;
	519	}
	520
[253]	521	/* This variable is not used anywhere. It only exists
	522	* to assign &dirlist to it, which keeps gcc from
	523	* putting it into a register, and avoids the 'clobbered
	524	* by longjmp' warning. And no, 'volatile' proved insufficient.
	525	*/
	526	static void * sh_dummy_mtmp = NULL;
	527	static void * sh_dummy_mmsg = NULL;
	528
[94]	529	static void sh_q_move(const char * fullpath, file_type * theFile,
	530	const char * timestrc, const char * timestra,
	531	const char * timestrm)
	532	{
[253]	533	volatile int status;
[94]	534	int readFile = -1;
[253]	535	volatile int writeFile = -1;
[94]	536	struct stat fileInfo;
	537	ssize_t count;
	538	char * msg;
	539	char * tmp;
	540	char * basetmp;
	541	char * filetmp;
	542	char buffer[1024];
	543	char * dir = SH_ALLOC(PATH_MAX+1);
	544	mode_t umask_old;
	545	FILE * filePtr = NULL;
	546
[253]	547	/* Take the address to keep gcc from putting it into a register.
	548	* Avoids the 'clobbered by longjmp' warning.
	549	*/
	550	sh_dummy_mtmp = (void*) &tmp;
	551	sh_dummy_mmsg = (void*) &msg;
	552
[94]	553	(void) sl_strlcpy (dir, DEFAULT_QDIR, PATH_MAX+1);
	554
	555	if (retry_stat (FIL__, __LINE__, dir, &fileInfo) != 0)
	556	{
	557	/* Quarantine directory does not exist,
	558	*/
	559	status = errno;
	560	msg = SH_ALLOC(SH_BUFSIZE);
	561	tmp = sh_util_safe_name(fullpath);
	562
	563	(void) sl_snprintf(msg, SH_BUFSIZE,
	564	_("Problem quarantining file. File NOT quarantined. errno = %ld (stat)"),
	565	status);
[253]	566	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	567	sh_error_handle (ShSuidchkSeverity,
	568	FIL__, __LINE__,
	569	status,
	570	MSG_SUID_QREPORT, msg,
	571	tmp );
[253]	572	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	573	SH_FREE(tmp);
	574	SH_FREE(msg);
	575	}
	576	else
	577	{
	578	if (retry_lstat (FIL__, __LINE__,
	579	fullpath, &fileInfo) == -1)
	580	{
	581	status = errno;
	582	msg = SH_ALLOC(SH_BUFSIZE);
	583	tmp = sh_util_safe_name(fullpath);
	584
	585	(void) sl_snprintf(msg, SH_BUFSIZE, _("I/O error. errno = %ld(stat)"), status);
[253]	586	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	587	sh_error_handle (ShSuidchkSeverity,
	588	FIL__, __LINE__,
	589	status,
	590	MSG_SUID_QREPORT,
	591	msg, tmp );
[253]	592	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	593	SH_FREE(tmp);
	594	SH_FREE(msg);
	595	}
	596	else
	597	{
	598	basetmp = sh_util_strdup(fullpath);
	599	filetmp = SH_ALLOC(PATH_MAX+1);
	600	tmp = sh_util_basename(basetmp);
	601
	602	(void) sl_snprintf(filetmp, PATH_MAX+1, "%s/%s",
	603	DEFAULT_QDIR, tmp);
	604	SH_FREE(tmp);
	605	SH_FREE(basetmp);
	606
	607	readFile = open (fullpath, O_RDONLY);
	608	if (readFile != -1)
[166]	609	writeFile = open (filetmp, O_WRONLY\|O_CREAT, S_IRUSR\|S_IWUSR\|S_IXUSR);
[94]	610
	611	if ((readFile == -1) \|\| (writeFile == -1))
	612	{
	613	status = errno;
	614	msg = SH_ALLOC(SH_BUFSIZE);
	615	tmp = sh_util_safe_name(fullpath);
	616
	617	(void) sl_snprintf(msg, SH_BUFSIZE, _("Problem quarantining file. File NOT quarantined. errno = %ld (open)"), status);
[253]	618	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	619	sh_error_handle (ShSuidchkSeverity,
	620	FIL__, __LINE__, status,
	621	MSG_SUID_QREPORT,
	622	msg, tmp );
[253]	623	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	624	SH_FREE(tmp);
	625	SH_FREE(msg);
	626	}
	627	else
	628	{
	629	/* sizeof(buffer) is 1024
	630	*/
	631	while ((count = (int) read (readFile, buffer, sizeof (buffer))) > 0)
	632	{
	633	if ((int) write (writeFile, buffer, (size_t) count) != count)
	634	{
	635	status = errno;
	636	msg = SH_ALLOC(SH_BUFSIZE);
	637	tmp = sh_util_safe_name(fullpath);
	638
	639	(void) sl_snprintf(msg, SH_BUFSIZE,
	640	_("I/O error. errno = %ld (write)"), status);
[253]	641	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	642	sh_error_handle (ShSuidchkSeverity,
	643	FIL__,
	644	__LINE__,
	645	status,
	646	MSG_SUID_QREPORT,
	647	msg, tmp );
[253]	648	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	649	SH_FREE(tmp);
	650	SH_FREE(msg);
	651	}
	652	}
	653	}
	654
[252]	655	(void) sl_close_fd (FIL__, __LINE__, readFile);
[94]	656	(void) fchmod(writeFile, S_IRUSR \| S_IWUSR \| S_IXUSR);
[252]	657	(void) sl_close_fd (FIL__, __LINE__, writeFile);
[94]	658
	659	if (do_truncate (fullpath) == -1)
	660	{
	661	status = errno;
	662	msg = SH_ALLOC(SH_BUFSIZE);
	663	tmp = sh_util_safe_name(fullpath);
	664
	665	(void) sl_snprintf(msg, SH_BUFSIZE,
	666	_("Problem quarantining file. File NOT quarantined. errno = %ld"),
	667	status);
[253]	668	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	669	sh_error_handle (ShSuidchkSeverity,
	670	FIL__, __LINE__, status,
	671	MSG_SUID_QREPORT,
	672	msg, tmp );
[253]	673	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	674	SH_FREE(tmp);
	675	SH_FREE(msg);
	676	}
	677	else
	678	{
	679	tmp = sh_util_basename(fullpath);
	680
	681	(void) sl_snprintf(filetmp, PATH_MAX+1, "%s/%s.info",
	682	DEFAULT_QDIR,
	683	tmp);
	684
	685	SH_FREE(tmp);
	686	/*
	687	* avoid chmod by setting umask
	688	*/
	689	umask_old = umask (0077);
	690	filePtr = fopen (filetmp, "w+");
	691
	692	/@-usedef@/
	693	if (filePtr)
	694	{
	695	fprintf(filePtr,
	696	_("File Info:\n filename=%s\n size=%lu\n owner=%s(%d)\n group=%s(%d)\n ctime=%s\n atime=%s\n mtime=%s\n"),
	697	fullpath,
	698	(unsigned long) theFile->size,
	699	theFile->c_owner, (int) theFile->owner,
	700	theFile->c_group, (int) theFile->group,
	701	timestrc, timestra, timestrm);
[252]	702	(void) sl_fclose (FIL__, __LINE__, filePtr);
[94]	703	}
	704	/@+usedef@/
	705	umask (umask_old);
	706
	707	tmp = sh_util_safe_name(fullpath);
[253]	708	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	709	sh_error_handle (ShSuidchkSeverity,
	710	FIL__,__LINE__,
	711	0, MSG_SUID_QREPORT,
	712	_("Quarantine method applied"),
	713	tmp );
[253]	714	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	715	SH_FREE(tmp);
	716	}
	717	SH_FREE(filetmp);
	718	}
	719	}
	720	SH_FREE(dir);
	721	return;
	722	}
	723
[253]	724	/* This variable is not used anywhere. It only exists
	725	* to assign &dirlist to it, which keeps gcc from
	726	* putting it into a register, and avoids the 'clobbered
	727	* by longjmp' warning. And no, 'volatile' proved insufficient.
	728	*/
	729	static void * sh_dummy_ctmp = NULL;
	730	static void * sh_dummy_cmsg = NULL;
	731
[94]	732	static void sh_q_changeperm(const char * fullpath)
	733	{
[253]	734	volatile int caperr;
	735	volatile int status;
[94]	736	char * msg;
	737	char * tmp;
	738	struct stat fileInfo;
	739	struct stat fileInfo_F;
	740	int cperm_status = 0;
[253]	741	volatile int file_d = -1;
[132]	742	char errbuf[SH_ERRBUF_SIZE];
[94]	743
[253]	744	/* Take the address to keep gcc from putting it into a register.
	745	* Avoids the 'clobbered by longjmp' warning.
	746	*/
	747	sh_dummy_ctmp = (void*) &tmp;
	748	sh_dummy_cmsg = (void*) &msg;
	749
[94]	750	if (retry_lstat(FIL__, __LINE__, fullpath, &fileInfo) == -1)
	751	{
	752	status = errno;
	753	msg = SH_ALLOC(SH_BUFSIZE);
	754	tmp = sh_util_safe_name(fullpath);
	755
	756	(void) sl_snprintf(msg, SH_BUFSIZE, _("I/O error. errno = %ld"), status);
[253]	757	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	758	sh_error_handle (ShSuidchkSeverity,
	759	FIL__, __LINE__,
	760	status,
	761	MSG_SUID_QREPORT, msg,
	762	tmp );
[253]	763	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	764	SH_FREE(tmp);
	765	SH_FREE(msg);
	766	cperm_status = -1;
	767	}
	768
	769	if (cperm_status == 0)
	770	{
	771	if (0 != (caperr = sl_get_cap_qdel()))
	772	{
[253]	773	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	774	sh_error_handle((-1), FIL__, __LINE__,
	775	caperr, MSG_E_SUBGEN,
[132]	776	sh_error_message (caperr, errbuf, sizeof(errbuf)),
[94]	777	_("sl_get_cap_qdel"));
[253]	778	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	779	cperm_status = -1;
	780	}
	781	}
	782
	783	if (cperm_status == 0)
	784	{
	785	file_d = aud_open (FIL__, __LINE__, SL_YESPRIV,
	786	fullpath, O_RDONLY, 0);
	787	if (-1 == file_d)
	788	{
	789	status = errno;
	790	msg = SH_ALLOC(SH_BUFSIZE);
	791	tmp = sh_util_safe_name(fullpath);
	792
	793	(void) sl_snprintf(msg, SH_BUFSIZE, _("I/O error. errno = %ld"), status);
[253]	794	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	795	sh_error_handle (ShSuidchkSeverity,
	796	FIL__, __LINE__,
	797	status,
	798	MSG_SUID_QREPORT, msg,
	799	tmp );
[253]	800	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	801	SH_FREE(tmp);
	802	SH_FREE(msg);
	803	cperm_status = -1;
	804	}
	805	}
	806
	807	if (cperm_status == 0)
	808	{
	809	if (retry_fstat(FIL__, __LINE__, file_d, &fileInfo_F) == -1)
	810	{
	811	status = errno;
	812	msg = SH_ALLOC(SH_BUFSIZE);
	813	tmp = sh_util_safe_name(fullpath);
	814
	815	(void) sl_snprintf(msg, SH_BUFSIZE,
	816	_("I/O error. errno = %ld"), status);
[253]	817	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	818	sh_error_handle (ShSuidchkSeverity,
	819	FIL__, __LINE__,
	820	status,
	821	MSG_SUID_QREPORT, msg,
	822	tmp );
[253]	823	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	824	SH_FREE(tmp);
	825	SH_FREE(msg);
	826	cperm_status = -1;
	827	}
	828	}
	829
	830	if (cperm_status == 0)
	831	{
	832	if (fileInfo_F.st_ino != fileInfo.st_ino \|\|
	833	fileInfo_F.st_dev != fileInfo.st_dev \|\|
	834	fileInfo_F.st_mode != fileInfo.st_mode)
	835	{
	836	status = errno;
	837	msg = SH_ALLOC(SH_BUFSIZE);
	838	tmp = sh_util_safe_name(fullpath);
	839
	840	(void) sl_snprintf(msg, SH_BUFSIZE,
	841	_("Race detected. errno = %ld"), status);
[253]	842	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	843	sh_error_handle (ShSuidchkSeverity,
	844	FIL__, __LINE__,
	845	status,
	846	MSG_SUID_QREPORT, msg,
	847	tmp );
[253]	848	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	849	SH_FREE(tmp);
	850	SH_FREE(msg);
	851	cperm_status = -1;
	852	}
	853	}
	854
	855	if ((fileInfo.st_mode & S_ISUID) > 0)
	856	fileInfo.st_mode -= S_ISUID;
	857	if ((fileInfo.st_mode & S_ISGID) > 0)
	858	fileInfo.st_mode -= S_ISGID;
	859
	860	if (cperm_status == 0)
	861	{
	862	if (fchmod(file_d, fileInfo.st_mode) == -1)
	863	{
	864	status = errno;
	865	msg = SH_ALLOC(SH_BUFSIZE);
	866	tmp = sh_util_safe_name(fullpath);
	867
	868	(void) sl_snprintf(msg, SH_BUFSIZE,
	869	_("Problem quarantining file. File NOT quarantined. errno = %ld"),
	870	status);
[253]	871	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	872	sh_error_handle (ShSuidchkSeverity,
	873	FIL__, __LINE__,
	874	status,
	875	MSG_SUID_QREPORT,
	876	msg, tmp );
[253]	877	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	878	SH_FREE(tmp);
	879	SH_FREE(msg);
	880	}
	881	else
	882	{
	883	tmp = sh_util_safe_name(fullpath);
[253]	884	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	885	sh_error_handle (ShSuidchkSeverity,
	886	FIL__, __LINE__,
	887	0,
	888	MSG_SUID_QREPORT,
	889	_("Quarantine method applied"),
	890	tmp );
[253]	891	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	892	SH_FREE(tmp);
	893	}
	894	}
	895
	896	if (0 != (caperr = sl_drop_cap_qdel()))
	897	{
[253]	898	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	899	sh_error_handle((-1), FIL__, __LINE__,
	900	caperr, MSG_E_SUBGEN,
[132]	901	sh_error_message (caperr, errbuf, sizeof(errbuf)),
[94]	902	_("sl_drop_cap_qdel"));
[253]	903	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	904	}
	905
	906	if (file_d != -1)
	907	{
	908	do {
[252]	909	status = sl_close_fd (FIL__, __LINE__, file_d);
[94]	910	} while (status == -1 && errno == EINTR);
	911
	912	if (-1 == status)
	913	{
	914	status = errno;
	915	msg = SH_ALLOC(SH_BUFSIZE);
	916	tmp = sh_util_safe_name(fullpath);
	917
	918	(void) sl_snprintf(msg, SH_BUFSIZE,
	919	_("I/O error. errno = %ld"), status);
[253]	920	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	921	sh_error_handle (ShSuidchkSeverity,
	922	FIL__, __LINE__,
	923	status,
	924	MSG_SUID_QREPORT, msg,
	925	tmp );
[253]	926	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	927	SH_FREE(tmp);
	928	SH_FREE(msg);
	929	cperm_status = -1;
	930	}
	931	}
	932	return;
	933	}
	934
	935	static void report_file (const char * tmpcat, file_type * theFile,
	936	char * timestrc, char * timestra, char * timestrm)
	937	{
	938	char * msg = SH_ALLOC(SH_BUFSIZE);
	939	char * tmp = sh_util_safe_name(tmpcat);
	940
	941	msg[0] = '\0';
	942	/@-usedef@/
[132]	943
[94]	944	#ifdef SH_USE_XML
	945	(void) sl_snprintf(msg, SH_BUFSIZE, _("owner_new=\"%s\" iowner_new=\"%ld\" group_new=\"%s\" igroup_new=\"%ld\" size_new=\"%lu\" ctime_new=\"%s\" atime_new=\"%s\" mtime_new=\"%s\""),
	946	theFile->c_owner, theFile->owner,
	947	theFile->c_group, theFile->group,
	948	(unsigned long) theFile->size,
	949	timestrc, timestra, timestrm);
	950	#else
	951	(void) sl_snprintf(msg, SH_BUFSIZE, _("owner_new=<%s>, iowner_new=<%ld>, group_new=<%s>, igroup_new=<%ld>, filesize=<%lu>, ctime=<%s>, atime=<%s>, mtime=<%s>"),
	952	theFile->c_owner, theFile->owner,
	953	theFile->c_group, theFile->group,
	954	(unsigned long) theFile->size,
	955	timestrc, timestra, timestrm);
	956	#endif
	957	/@+usedef@/
	958
[253]	959	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	960	sh_error_handle (ShSuidchkSeverity, FIL__, __LINE__,
	961	0, MSG_SUID_POLICY,
	962	_("suid/sgid file not in database"),
	963	tmp, msg );
[253]	964	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	965	SH_FREE(tmp);
	966	SH_FREE(msg);
	967	return;
	968	}
	969
[253]	970	/* This variable is not used anywhere. It only exists
	971	* to assign &dirlist to it, which keeps gcc from
	972	* putting it into a register, and avoids the 'clobbered
	973	* by longjmp' warning. And no, 'volatile' proved insufficient.
	974	*/
	975	static void * sh_dummy_dirlist = NULL;
	976	static void * sh_dummy_itmp = NULL;
	977
	978
[1]	979	static
	980	int sh_suidchk_check_internal (char * iname)
	981	{
	982	DIR * thisDir = NULL;
	983	struct dirent * thisEntry;
	984	char * tmpcat;
	985	char * tmp;
	986	char timestrc[32];
	987	char timestra[32];
	988	char timestrm[32];
	989	struct stat buf;
[253]	990	volatile int status;
[115]	991	int fflags;
[1]	992	char * fs;
[253]	993	volatile long sl_status;
[227]	994	file_type * theFile = NULL;
[19]	995	char fileHash[2*(KEY_LEN + 1)];
[1]	996
[170]	997	struct sh_dirent * dirlist;
	998	struct sh_dirent * dirlist_orig;
[132]	999	char errbuf[SH_ERRBUF_SIZE];
[22]	1000
[1]	1001	SL_ENTER(_("sh_suidchk_check_internal"));
	1002
[253]	1003	/* Take the address to keep gcc from putting it into a register.
	1004	* Avoids the 'clobbered by longjmp' warning.
	1005	*/
	1006	sh_dummy_dirlist = (void*) &dirlist;
	1007	sh_dummy_itmp = (void*) &tmp;
	1008
[1]	1009	if (iname == NULL)
	1010	{
	1011	TPT((0, FIL__, __LINE__ , _("msg=<directory name is NULL>\n")));
	1012	SL_RETURN( (-1), _("sh_suidchk_check_internal"));
	1013	}
	1014
	1015	if (sig_urgent > 0) {
	1016	SL_RETURN( (0), _("sh_suidchk_check_internal"));
	1017	}
	1018
	1019	thisDir = opendir (iname);
	1020
	1021	if (thisDir == NULL)
	1022	{
	1023	status = errno;
	1024	tmp = sh_util_safe_name(iname);
[253]	1025	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1026	sh_error_handle (ShDFLevel[SH_ERR_T_DIR], FIL__, __LINE__, status,
	1027	MSG_E_OPENDIR,
[132]	1028	sh_error_message (status, errbuf, sizeof(errbuf)), tmp);
[253]	1029	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1030	SH_FREE(tmp);
	1031	SL_RETURN( (-1), _("sh_suidchk_check_internal"));
	1032	}
	1033
[94]	1034	/* Loop over directory entries
	1035	*/
[137]	1036	SH_MUTEX_LOCK(mutex_readdir);
[131]	1037
[170]	1038	dirlist = NULL;
	1039	dirlist_orig = NULL;
	1040
[1]	1041	do {
	1042
	1043	thisEntry = readdir (thisDir);
	1044
	1045	if (thisEntry != NULL) {
	1046
	1047	if (sl_strcmp (thisEntry->d_name, ".") == 0)
	1048	continue;
	1049
	1050	if (sl_strcmp (thisEntry->d_name, "..") == 0)
	1051	continue;
	1052
[131]	1053	dirlist = addto_sh_dirlist (thisEntry, dirlist);
	1054	}
[1]	1055
[131]	1056	} while (thisEntry != NULL);
[94]	1057
[137]	1058	SH_MUTEX_UNLOCK(mutex_readdir);
[94]	1059
[131]	1060	closedir(thisDir);
[1]	1061
[131]	1062	dirlist_orig = dirlist;
[1]	1063
[170]	1064	sl_status = SL_ENONE;
	1065
[131]	1066	do {
	1067
	1068	/* If the directory is empty, dirlist = NULL
	1069	*/
	1070	if (!dirlist)
	1071	break;
	1072
[143]	1073	if (sig_urgent > 0) {
	1074	SL_RETURN( (0), _("sh_suidchk_check_internal"));
	1075	}
	1076
[131]	1077	tmpcat = SH_ALLOC(PATH_MAX);
	1078	(void) sl_strlcpy(tmpcat, iname, PATH_MAX);
	1079
	1080	if ((sl_strlen(tmpcat) != sl_strlen(iname)) \|\| (tmpcat[0] == '\0'))
	1081	{
	1082	sl_status = SL_ETRUNC;
	1083	}
	1084	else
	1085	{
	1086	if (tmpcat[1] != '\0')
	1087	sl_status = sl_strlcat(tmpcat, "/", PATH_MAX);
	1088	}
	1089
	1090	if (! SL_ISERROR(sl_status))
	1091	sl_status = sl_strlcat(tmpcat, dirlist->sh_d_name, PATH_MAX);
	1092
	1093	if (SL_ISERROR(sl_status))
	1094	{
	1095	tmp = sh_util_safe_name(tmpcat);
[253]	1096	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1097	sh_error_handle ((-1), FIL__, __LINE__, (int) sl_status,
	1098	MSG_E_SUBGPATH,
	1099	_("path too long"),
	1100	_("sh_suidchk_check_internal"), tmp );
[253]	1101	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1102	SH_FREE(tmp);
[227]	1103	SH_FREE(tmpcat);
[131]	1104	dirlist = dirlist->next;
	1105	continue;
	1106	}
	1107
	1108	++FileLimNum;
	1109	++FileLimTotal;
	1110
	1111	/* Rate limit (Fps == Files per second)
	1112	*/
	1113	if ((ShSuidchkFps > 0 && FileLimNum > ShSuidchkFps && FileLimTotal > 0)&&
	1114	(ShSuidchkYield == S_FALSE))
	1115	{
	1116	FileLimNum = 0;
	1117	FileLimNow = time(NULL);
	1118
	1119	if ( (FileLimNow - FileLimStart) > 0 &&
	1120	FileLimTotal/(FileLimNow - FileLimStart) > ShSuidchkFps )
	1121	(void) retry_msleep((int)((FileLimTotal/(FileLimNow-FileLimStart))/
	1122	ShSuidchkFps) , 0);
	1123	}
[1]	1124
[131]	1125	status = (int) retry_lstat(FIL__, __LINE__, tmpcat, &buf);
[1]	1126
[131]	1127	if (status != 0)
	1128	{
[253]	1129	volatile int elevel = SH_ERR_ERR;
[252]	1130	size_t tlen;
	1131
[131]	1132	status = errno;
	1133	tmp = sh_util_safe_name(tmpcat);
[252]	1134	tlen = strlen(tmp);
	1135	if (tlen >= 6 && 0 == strcmp(&tmp[tlen-6], _("/.gvfs")))
	1136	elevel = SH_ERR_NOTICE;
[253]	1137	SH_MUTEX_LOCK(mutex_thread_nolog);
[252]	1138	sh_error_handle (elevel, FIL__, __LINE__, status, MSG_ERR_LSTAT,
[132]	1139	sh_error_message(status, errbuf, sizeof(errbuf)),
[252]	1140	tmp );
[253]	1141	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1142	SH_FREE(tmp);
	1143	}
	1144	else
	1145	{
	1146	if (/@-usedef@/S_ISDIR(buf.st_mode)/@+usedef@/ &&
	1147	(ShSuidchkExclude == NULL \|\|
	1148	0 != strcmp(tmpcat, ShSuidchkExclude)))
	1149	{
	1150	/* fs is a STATIC string or NULL
	1151	*/
	1152	fs = filesystem_type (tmpcat, tmpcat, &buf);
	1153	if (fs != NULL
[30]	1154	#ifndef SH_SUIDTESTDIR
[131]	1155	&&
	1156	0 != strncmp (_("afs"), fs, 3) &&
	1157	0 != strncmp (_("devfs"), fs, 5) &&
[231]	1158	0 != strncmp (_("fdesc"), fs, 5) &&
[131]	1159	0 != strncmp (_("iso9660"), fs, 7) &&
[231]	1160	0 != strncmp (_("cd9660"), fs, 6) &&
[131]	1161	0 != strncmp (_("lustre"), fs, 6) &&
	1162	0 != strncmp (_("mmfs"), fs, 4) &&
	1163	0 != strncmp (_("msdos"), fs, 5) &&
	1164	0 != strncmp (_("nfs"), fs, 3) &&
	1165	0 != strncmp (_("proc"), fs, 4) &&
[231]	1166	0 != strncmp (_("sysfs"), fs, 5) &&
[131]	1167	0 != strncmp (_("vfat"), fs, 4)
[30]	1168	#endif
[131]	1169	)
	1170	{
	1171	if ((ShSuidchkNosuid == S_TRUE) \|\|
	1172	(0 != strncmp (_("nosuid"), fs, 6)))
	1173	/* fprintf(stderr, "%s: %s\n", fs, tmpcat); */
	1174	(void) sh_suidchk_check_internal(tmpcat);
	1175	}
	1176	}
	1177	else if (S_ISREG(buf.st_mode) &&
	1178	(0 !=(S_ISUID & buf.st_mode) \|\|
[1]	1179	#if defined(HOST_IS_LINUX)
[131]	1180	(0 !=(S_ISGID & buf.st_mode) &&
	1181	0 !=(S_IXGRP & buf.st_mode))
[1]	1182	#else
[131]	1183	0 !=(S_ISGID & buf.st_mode)
[1]	1184	#endif
[131]	1185	)
	1186	)
	1187	{
[227]	1188	theFile = SH_ALLOC(sizeof(file_type));
	1189
	1190	(void) sl_strlcpy (theFile->fullpath, tmpcat, PATH_MAX);
	1191	theFile->check_mask = sh_files_maskof(SH_LEVEL_READONLY);
	1192	CLEAR_SH_FFLAG_REPORTED(theFile->file_reported);
	1193	theFile->attr_string = NULL;
	1194	theFile->link_path = NULL;
[131]	1195
	1196	status = sh_unix_getinfo (ShDFLevel[SH_ERR_T_RO],
[138]	1197	dirlist->sh_d_name,
[227]	1198	theFile, fileHash, 0);
[131]	1199
	1200	tmp = sh_util_safe_name(tmpcat);
	1201
	1202	if (status != 0)
	1203	{
[253]	1204	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1205	sh_error_handle (ShSuidchkSeverity, FIL__, __LINE__,
	1206	0, MSG_E_SUBGPATH,
	1207	_("Could not check suid/sgid file"),
	1208	_("sh_suidchk_check_internal"),
	1209	tmp);
[253]	1210	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1211	}
	1212	else
	1213	{
	1214
	1215	if ( sh.flag.update == S_TRUE &&
	1216	(sh.flag.checkSum == SH_CHECK_INIT \|\|
	1217	sh.flag.checkSum == SH_CHECK_CHECK))
	1218	{
[253]	1219	int compret;
	1220
[131]	1221	/* Updating database. Report new files that
	1222	* are not in database already. Then compare
	1223	* to database and report changes.
	1224	*/
	1225	if (-1 == sh_hash_have_it (tmpcat))
	1226	{
[253]	1227	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1228	sh_error_handle ((-1), FIL__, __LINE__,
	1229	0, MSG_SUID_FOUND, tmp );
[253]	1230	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1231	}
	1232	else
	1233	{
[253]	1234	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1235	sh_error_handle (SH_ERR_ALL, FIL__, __LINE__,
	1236	0, MSG_SUID_FOUND, tmp );
[253]	1237	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1238	}
	1239
[253]	1240	SH_MUTEX_LOCK(mutex_thread_nolog);
	1241	compret = sh_hash_compdata (SH_LEVEL_READONLY,
	1242	theFile, fileHash,
	1243	_("[SuidCheck]"),
	1244	ShSuidchkSeverity);
	1245	SH_MUTEX_UNLOCK(mutex_thread_nolog);
	1246
	1247	if (compret == 0)
[131]	1248	{
[253]	1249	sh_hash_pushdata_memory (theFile, fileHash); /* no call to sh_error_handle */
[131]	1250	}
	1251
[253]	1252	sh_hash_addflag(tmpcat, SH_FFLAG_SUIDCHK); /* no call to sh_error_handle */
[131]	1253
	1254	}
	1255
	1256	else if (sh.flag.checkSum == SH_CHECK_INIT &&
	1257	sh.flag.update == S_FALSE )
	1258	{
	1259	/* Running init. Report on files detected.
	1260	*/
[253]	1261	sh_hash_pushdata (theFile, fileHash); /* no call to sh_error_handle */
	1262	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1263	sh_error_handle ((-1), FIL__, __LINE__,
	1264	0, MSG_SUID_FOUND, tmp );
[253]	1265	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1266	}
	1267
	1268	else if (sh.flag.checkSum == SH_CHECK_CHECK )
	1269	{
	1270	/* Running file check. Report on new files
	1271	* detected, and quarantine them.
	1272	*/
[253]	1273	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1274	sh_error_handle (SH_ERR_ALL, FIL__, __LINE__,
	1275	0, MSG_SUID_FOUND, tmp );
[253]	1276	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1277
[253]	1278	fflags = sh_hash_getflags(tmpcat); /* no call to sh_error_handle */
[131]	1279
	1280	if ( (-1 == fflags) \|\| (!SH_FFLAG_SUIDCHK_SET(fflags)))
	1281	{
	1282	if (-1 == fflags)
[132]	1283	{
[227]	1284	(void) sh_unix_gmttime (theFile->ctime, timestrc, sizeof(timestrc));
	1285	(void) sh_unix_gmttime (theFile->atime, timestra, sizeof(timestra));
	1286	(void) sh_unix_gmttime (theFile->mtime, timestrm, sizeof(timestrm));
[132]	1287
[227]	1288	report_file(tmpcat, theFile, timestrc, timestra, timestrm);
[132]	1289	}
[131]	1290	/* Quarantine file according to configured method
	1291	*/
	1292	if (ShSuidchkQEnable == S_TRUE)
	1293	{
	1294	switch (ShSuidchkQMethod)
	1295	{
	1296	case SH_Q_DELETE:
[227]	1297	sh_q_delete(theFile->fullpath);
[131]	1298	break;
	1299	case SH_Q_CHANGEPERM:
[227]	1300	sh_q_changeperm(theFile->fullpath);
[131]	1301	break;
	1302	case SH_Q_MOVE:
[227]	1303	sh_q_move(theFile->fullpath, theFile, timestrc, timestra, timestrm);
[131]	1304	break;
	1305	default:
[253]	1306	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1307	sh_error_handle (ShSuidchkSeverity, FIL__,
	1308	__LINE__, 0, MSG_SUID_QREPORT,
	1309	_("Bad quarantine method"), tmp);
[253]	1310	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1311	break;
	1312	}
	1313	}
	1314	else
	1315	{
	1316	/* 1.8.1 push file to in-memory database
	1317	*/
[253]	1318	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1319	(void) sh_hash_compdata (SH_LEVEL_READONLY,
[227]	1320	theFile, fileHash,
[131]	1321	_("[SuidCheck]"),
	1322	ShSuidchkSeverity);
[253]	1323	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1324
[253]	1325	sh_hash_addflag(tmpcat, SH_FFLAG_SUIDCHK); /* no call to sh_error_handle */
[131]	1326
	1327	}
	1328	}
	1329	else
	1330	{
	1331	/* File exists. Check for modifications.
	1332	*/
[253]	1333	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1334	(void) sh_hash_compdata (SH_LEVEL_READONLY,
[227]	1335	theFile, fileHash,
[131]	1336	_("[SuidCheck]"),
	1337	ShSuidchkSeverity);
[253]	1338	SH_MUTEX_UNLOCK(mutex_thread_nolog);
	1339	sh_hash_addflag(tmpcat, SH_FFLAG_SUIDCHK); /* no call to sh_error_handle */
[131]	1340
	1341	}
	1342	}
	1343	}
	1344	SH_FREE(tmp);
[227]	1345	if (theFile->attr_string) SH_FREE(theFile->attr_string);
	1346	if (theFile->link_path) SH_FREE(theFile->link_path);
	1347	SH_FREE(theFile);
[131]	1348	}
	1349	}
	1350	SH_FREE(tmpcat);
[115]	1351
[131]	1352
[1]	1353	#ifdef HAVE_SCHED_YIELD
	1354	if (ShSuidchkYield == S_TRUE)
	1355	{
	1356	if (sched_yield() == -1)
	1357	{
	1358	status = errno;
[253]	1359	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1360	sh_error_handle ((-1), FIL__, __LINE__, status, MSG_E_SUBGEN,
[131]	1361	_("Failed to release time slice"),
[1]	1362	_("sh_suidchk_check_internal") );
[253]	1363	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1364	}
	1365	}
	1366	#endif
[131]	1367
	1368	dirlist = dirlist->next;
[68]	1369
[131]	1370	} while (dirlist != NULL);
[1]	1371
[131]	1372
	1373	kill_sh_dirlist (dirlist_orig);
	1374
[1]	1375	SL_RETURN( (0), _("sh_suidchk_check_internal"));
	1376	}
	1377
	1378	/*************
	1379	*
	1380	* module init
	1381	*
	1382	*************/
[140]	1383	int sh_suidchk_init (struct mod_type * arg)
[1]	1384	{
[253]	1385	#ifndef HAVE_PTHREAD
[140]	1386	(void) arg;
[253]	1387	#endif
	1388
[1]	1389	if (ShSuidchkActive == S_FALSE)
[253]	1390	return SH_MOD_FAILED;
[1]	1391
[253]	1392	#ifdef HAVE_PTHREAD
	1393	if (arg != NULL && arg->initval < 0 &&
	1394	(sh.flag.isdaemon == S_TRUE \|\| sh.flag.loop == S_TRUE))
	1395	{
	1396	if (0 == sh_pthread_create(sh_threaded_module_run, (void *)arg))
	1397	return SH_MOD_THREAD;
	1398	else
	1399	return SH_MOD_FAILED;
	1400	}
[335]	1401	else if (arg != NULL && arg->initval == SH_MOD_THREAD &&
	1402	(sh.flag.isdaemon == S_TRUE \|\| sh.flag.loop == S_TRUE))
	1403	{
	1404	return SH_MOD_THREAD;
	1405	}
[253]	1406	#endif
	1407
[1]	1408	return (0);
	1409	}
	1410
	1411
	1412	/*************
	1413	*
	1414	* module cleanup
	1415	*
	1416	*************/
	1417	int sh_suidchk_end ()
	1418	{
	1419	return (0);
	1420	}
	1421
	1422
	1423	/*************
	1424	*
	1425	* module timer
	1426	*
	1427	*************/
	1428	int sh_suidchk_timer (time_t tcurrent)
	1429	{
	1430	if (sh.flag.checkSum == SH_CHECK_INIT)
	1431	return -1;
	1432
	1433	/* One-shot (not daemon and not loop forever)
	1434	*/
	1435	if (sh.flag.isdaemon != S_TRUE && sh.flag.loop == S_FALSE)
	1436	return -1;
	1437
	1438	if (ShSuidchkSched != NULL)
	1439	{
	1440	return test_sched(ShSuidchkSched);
	1441	}
	1442	if ((time_t) (tcurrent - lastcheck) >= ShSuidchkInterval)
	1443	{
	1444	lastcheck = tcurrent;
	1445	return (-1);
	1446	}
	1447	return 0;
	1448	}
	1449
	1450	/*************
	1451	*
	1452	* module check
	1453	*
	1454	*************/
	1455
	1456	int sh_suidchk_check ()
	1457	{
[253]	1458	volatile int status;
[1]	1459
	1460	SL_ENTER(_("sh_suidchk_check"));
	1461
[253]	1462	if (ShSuidchkActive == S_FALSE)
	1463	SL_RETURN(-1, _("sh_suidchk_check"));
	1464
	1465	SH_MUTEX_LOCK(mutex_thread_nolog);
[257]	1466	sh_error_handle (SH_ERR_INFO, FIL__, __LINE__, EINVAL, MSG_E_SUBGEN,
[1]	1467	_("Checking for SUID programs"),
[257]	1468	_("sh_suidchk_check") );
[253]	1469	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1470
	1471	FileLimNow = time(NULL);
	1472	FileLimStart = FileLimNow;
	1473	FileLimNum = 0;
	1474	FileLimTotal = 0;
	1475
[22]	1476	#ifdef SH_SUIDTESTDIR
	1477	status = sh_suidchk_check_internal (SH_SUIDTESTDIR);
	1478	#else
[1]	1479	status = sh_suidchk_check_internal ("/");
[22]	1480	#endif
[1]	1481
[253]	1482	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1483	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_SUID_SUMMARY,
	1484	FileLimTotal,
	1485	(long) (time(NULL) - FileLimStart) );
[253]	1486	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1487
	1488	SL_RETURN(status, _("sh_suidchk_check"));
	1489	}
	1490
	1491	/*************
	1492	*
	1493	* module setup
	1494	*
	1495	*************/
	1496
[68]	1497	int sh_suidchk_set_severity (const char * c)
[1]	1498	{
	1499	int retval;
	1500	char tmp[32];
	1501
	1502	SL_ENTER(_("sh_suidchk_set_severity"));
	1503	tmp[0] = '='; tmp[1] = '\0';
	1504	(void) sl_strlcat (tmp, c, 32);
	1505	retval = sh_error_set_level (tmp, &ShSuidchkSeverity);
	1506	SL_RETURN(retval, _("sh_suidchk_set_severity"));
	1507	}
	1508
[68]	1509	int sh_suidchk_set_exclude (const char * c)
[1]	1510	{
	1511	SL_ENTER(_("sh_suidchk_set_exclude"));
[68]	1512
[1]	1513	if (c == NULL \|\| c[0] == '\0')
	1514	{
	1515	SL_RETURN(-1, _("sh_suidchk_set_exclude"));
	1516	}
	1517
	1518	if (0 == sl_strncmp(c, _("NULL"), 4))
	1519	{
	1520	if (ShSuidchkExclude != NULL)
	1521	SH_FREE(ShSuidchkExclude);
	1522	ShSuidchkExclude = NULL;
	1523	SL_RETURN(0, _("sh_suidchk_set_exclude"));
	1524	}
	1525
	1526	if (ShSuidchkExclude != NULL)
	1527	SH_FREE(ShSuidchkExclude);
	1528
[68]	1529	ShSuidchkExclude = sh_util_strdup (c);
	1530	ExcludeLen = sl_strlen (ShSuidchkExclude);
	1531	if (ShSuidchkExclude[ExcludeLen-1] == '/')
[1]	1532	{
[68]	1533	ShSuidchkExclude[ExcludeLen-1] = '\0';
[55]	1534	ExcludeLen--;
[1]	1535	}
	1536	SL_RETURN(0, _("sh_suidchk_set_exclude"));
	1537	}
	1538
[68]	1539	int sh_suidchk_set_timer (const char * c)
[1]	1540	{
[253]	1541	volatile long val;
[1]	1542
	1543	SL_ENTER(_("sh_suidchk_set_timer"));
	1544
	1545	val = strtol (c, (char **)NULL, 10);
	1546	if (val <= 0)
[253]	1547	{
	1548	SH_MUTEX_LOCK(mutex_thread_nolog);
	1549	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	1550	_("suidchk timer"), c);
	1551	SH_MUTEX_UNLOCK(mutex_thread_nolog);
	1552	}
[1]	1553	val = (val <= 0 ? 7200 : val);
	1554
	1555	ShSuidchkInterval = (time_t) val;
	1556	SL_RETURN( 0, _("sh_suidchk_set_timer"));
	1557	}
	1558
	1559
[170]	1560	static void sh_suidchk_free_schedule (void)
[1]	1561	{
	1562	sh_schedule_t * current = ShSuidchkSched;
	1563	sh_schedule_t * next = NULL;
	1564
	1565	while (current != NULL)
	1566	{
	1567	next = current->next;
	1568	SH_FREE(current);
	1569	current = next;
	1570	}
	1571	ShSuidchkSched = NULL;
[149]	1572	return;
[1]	1573	}
	1574
[149]	1575	int sh_suidchk_reconf ()
	1576	{
[253]	1577	SH_MUTEX_LOCK(mutex_suid_check);
[149]	1578	sh_suidchk_free_schedule();
	1579	set_defaults();
[253]	1580	SH_MUTEX_UNLOCK(mutex_suid_check);
[150]	1581	return 0;
[149]	1582	}
	1583
[68]	1584	int sh_suidchk_set_schedule (const char * str)
[1]	1585	{
	1586	int status;
	1587	sh_schedule_t * newSched = NULL;
	1588
	1589	SL_ENTER(_("sh_suidchk_set_schedule"));
	1590
	1591	/*
	1592	if (ShSuidchkSched != NULL)
	1593	{
	1594	SH_FREE(ShSuidchkSched);
	1595	ShSuidchkSched = NULL;
	1596	}
	1597	*/
	1598
	1599	if (0 == sl_strncmp(str, _("NULL"), 4))
	1600	{
	1601	(void) sh_suidchk_free_schedule ();
	1602	return 0;
	1603	}
	1604
	1605	newSched = SH_ALLOC(sizeof(sh_schedule_t));
	1606	status = create_sched(str, newSched);
	1607	if (status != 0)
	1608	{
	1609	SH_FREE(newSched);
	1610	newSched = NULL;
	1611	}
	1612	else
	1613	{
	1614	newSched->next = ShSuidchkSched;
	1615	ShSuidchkSched = newSched;
	1616	}
	1617	SL_RETURN( status, _("sh_suidchk_set_schedule"));
	1618	}
	1619
	1620
	1621
[68]	1622	int sh_suidchk_set_fps (const char * c)
[1]	1623	{
[253]	1624	volatile long val;
[1]	1625
	1626	SL_ENTER(_("sh_suidchk_set_fps"));
	1627
	1628	val = strtol (c, (char **)NULL, 10);
	1629	if (val < 0)
[253]	1630	{
	1631	SH_MUTEX_LOCK(mutex_thread_nolog);
	1632	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	1633	_("suidchk fps"), c);
	1634	SH_MUTEX_UNLOCK(mutex_thread_nolog);
	1635	}
[1]	1636	val = (val < 0 ? 0 : val);
	1637
	1638	ShSuidchkFps = val;
	1639	SL_RETURN( 0, _("sh_suidchk_set_fps"));
	1640	}
	1641
[68]	1642	int sh_suidchk_set_yield (const char * c)
[1]	1643	{
	1644	int i;
	1645	SL_ENTER(_("sh_suidchk_set_yield"));
	1646	#ifdef HAVE_SCHED_YIELD
	1647	i = sh_util_flagval(c, &ShSuidchkYield);
	1648	#else
	1649	(void) c; /* cast to void to avoid compiler warning */
	1650	i = -1;
	1651	#endif
	1652	SL_RETURN(i, _("sh_suidchk_set_yield"));
	1653	}
	1654
[68]	1655	int sh_suidchk_set_activate (const char * c)
[1]	1656	{
	1657	int i;
	1658	SL_ENTER(_("sh_suidchk_set_activate"));
	1659	i = sh_util_flagval(c, &ShSuidchkActive);
	1660	SL_RETURN(i, _("sh_suidchk_set_activate"));
	1661	}
	1662
[119]	1663	int sh_suidchk_set_nosuid (const char * c)
	1664	{
	1665	int i;
	1666	SL_ENTER(_("sh_suidchk_set_nosuid"));
	1667	i = sh_util_flagval(c, &ShSuidchkNosuid);
	1668	SL_RETURN(i, _("sh_suidchk_set_nosuid"));
	1669	}
	1670
[68]	1671	int sh_suidchk_set_quarantine (const char * c)
[1]	1672	{
	1673	int i;
	1674	SL_ENTER(_("sh_suidchk_set_quarantine"));
	1675	i = sh_util_flagval(c, &ShSuidchkQEnable);
	1676	SL_RETURN(i, _("sh_suidchk_set_quarantine"));
	1677	}
	1678
[68]	1679	int sh_suidchk_set_qdelete (const char * c)
[1]	1680	{
	1681	int i;
	1682	SL_ENTER(_("sh_suidchk_set_qdelete"));
	1683	i = sh_util_flagval(c, &ShSuidchkQDelete);
	1684	SL_RETURN(i, _("sh_suidchk_set_qdelete"));
	1685	}
	1686
[68]	1687	int sh_suidchk_set_qmethod (const char * c)
[1]	1688	{
[253]	1689	volatile long val;
	1690	volatile int ret = 0;
[22]	1691	struct stat buf;
[1]	1692
	1693	SL_ENTER(_("sh_suidchk_set_qmethod"));
	1694
	1695	val = strtol (c, (char **)NULL, 10);
	1696	if (val < 0)
	1697	{
[253]	1698	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1699	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	1700	_("suidchk qmethod"), c);
[253]	1701	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1702	ret = -1;
	1703	}
	1704	else
	1705	{
	1706	switch (val)
	1707	{
	1708	case SH_Q_DELETE:
	1709	ShSuidchkQMethod = SH_Q_DELETE;
	1710	break;
	1711	case SH_Q_CHANGEPERM:
	1712	ShSuidchkQMethod = SH_Q_CHANGEPERM;
	1713	break;
	1714	case SH_Q_MOVE:
[22]	1715	if (retry_stat (FIL__, __LINE__, DEFAULT_QDIR, &buf) != 0)
[1]	1716	{
	1717	if (mkdir (DEFAULT_QDIR, 0750) == -1)
	1718	{
[253]	1719	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1720	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	1721	MSG_SUID_ERROR,
	1722	_("Unable to create quarantine directory"));
[253]	1723	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1724	}
	1725	}
	1726	ShSuidchkQMethod = SH_Q_MOVE;
	1727	break;
	1728	default:
[253]	1729	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1730	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	1731	_("suidchk qmethod"), c);
[253]	1732	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1733	ShSuidchkQMethod = -1;
	1734	ret = -1;
	1735	break;
	1736	}
	1737	}
	1738
	1739	SL_RETURN( ret, _("sh_suidchk_set_qmethod"));
	1740	}
	1741
	1742	#if defined(FSTYPE_STATFS) \|\| defined(FSTYPE_AIX_STATFS)
	1743	/* dirname.c -- return all but the last element in a path
	1744	Copyright (C) 1990 Free Software Foundation, Inc.
	1745
	1746	This program is free software; you can redistribute it and/or modify
	1747	it under the terms of the GNU General Public License as published by
	1748	the Free Software Foundation; either version 2, or (at your option)
	1749	any later version.
	1750
	1751	This program is distributed in the hope that it will be useful,
	1752	but WITHOUT ANY WARRANTY; without even the implied warranty of
	1753	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	1754	GNU General Public License for more details.
	1755
	1756	You should have received a copy of the GNU General Public License
	1757	along with this program; if not, write to the Free Software Foundation,
	1758	Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	1759
	1760	/* Return the leading directories part of PATH,
	1761	allocated with malloc. If out of memory, return 0.
	1762	Assumes that trailing slashes have already been
	1763	removed. */
	1764
	1765	char * sh_dirname (const char * path)
	1766	{
	1767	char *newpath;
	1768	char *slash;
	1769	int length; /* Length of result, not including NUL. */
	1770
	1771	slash = strrchr (path, '/');
	1772	if (slash == NULL)
	1773	{
	1774	/* File is in the current directory. */
	1775	path = ".";
	1776	length = 1;
	1777	}
	1778	else
	1779	{
	1780	/* Remove any trailing slashes from the result. */
	1781	while (slash > path && *slash == '/')
	1782	--slash;
	1783
	1784	length = slash - path + 1;
	1785	}
	1786	newpath = (char *) SH_ALLOC (length + 1);
	1787	if (newpath == NULL)
	1788	return NULL;
	1789	strncpy (newpath, path, length);
	1790	newpath[length] = '\0';
	1791	return newpath;
	1792	}
	1793	/* #ifdef FSTYPE_STATFS */
	1794	#endif
	1795
	1796	/* fstype.c -- determine type of filesystems that files are on
	1797	Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
	1798
	1799	This program is free software; you can redistribute it and/or modify
	1800	it under the terms of the GNU General Public License as published by
	1801	the Free Software Foundation; either version 2, or (at your option)
	1802	any later version.
	1803
	1804	This program is distributed in the hope that it will be useful,
	1805	but WITHOUT ANY WARRANTY; without even the implied warranty of
	1806	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	1807	GNU General Public License for more details.
	1808
	1809	You should have received a copy of the GNU General Public License
	1810	along with this program; if not, write to the Free Software
	1811	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	1812
	1813	/* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */
	1814
	1815	/* Modified by R. Wichmann:
	1816	- replaced error() by sh_error_handle()
	1817	- replaced xstrdup() by sl_strdup()
	1818	- replaced strstr() by sl_strstr()
	1819	- some additions to recognize nosuid fs
	1820	*/
	1821
	1822	/* modetype.h -- file type bits definitions for POSIX systems
	1823	Requires sys/types.h sys/stat.h.
	1824	Copyright (C) 1990 Free Software Foundation, Inc.
	1825
	1826	This program is free software; you can redistribute it and/or modify
	1827	it under the terms of the GNU General Public License as published by
	1828	the Free Software Foundation; either version 2, or (at your option)
	1829	any later version.
	1830
	1831	This program is distributed in the hope that it will be useful,
	1832	but WITHOUT ANY WARRANTY; without even the implied warranty of
	1833	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	1834	GNU General Public License for more details.
	1835
	1836	You should have received a copy of the GNU General Public License
	1837	along with this program; if not, write to the Free Software
	1838	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	1839
	1840	/* POSIX.1 doesn't mention the S_IFMT bits; instead, it uses S_IStype
	1841	test macros. To make storing file types more convenient, define
	1842	them; the values don't need to correspond to what the kernel uses,
	1843	because of the way we use them. */
	1844	#ifndef S_IFMT /* Doesn't have traditional Unix macros. */
	1845	#define S_IFBLK 1
	1846	#define S_IFCHR 2
	1847	#define S_IFDIR 4
	1848	#define S_IFREG 8
	1849	#ifdef S_ISLNK
	1850	#define S_IFLNK 16
	1851	#endif
	1852	#ifdef S_ISFIFO
	1853	#define S_IFIFO 32
	1854	#endif
	1855	#ifdef S_ISSOCK
	1856	#define S_IFSOCK 64
	1857	#endif
	1858	#endif /* !S_IFMT */
	1859
	1860	#ifdef STAT_MACROS_BROKEN
	1861	#undef S_ISBLK
	1862	#undef S_ISCHR
	1863	#undef S_ISDIR
	1864	#undef S_ISREG
	1865	#undef S_ISFIFO
	1866	#undef S_ISLNK
	1867	#undef S_ISSOCK
	1868	#undef S_ISMPB
	1869	#undef S_ISMPC
	1870	#undef S_ISNWK
	1871	#endif
	1872
	1873	/* Do the reverse: define the POSIX.1 macros for traditional Unix systems
	1874	that don't have them. */
	1875	#if !defined(S_ISBLK) && defined(S_IFBLK)
	1876	#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
	1877	#endif
	1878	#if !defined(S_ISCHR) && defined(S_IFCHR)
	1879	#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
	1880	#endif
	1881	#if !defined(S_ISDIR) && defined(S_IFDIR)
	1882	#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
	1883	#endif
	1884	#if !defined(S_ISREG) && defined(S_IFREG)
	1885	#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
	1886	#endif
	1887	#if !defined(S_ISFIFO) && defined(S_IFIFO)
	1888	#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
	1889	#endif
	1890	#if !defined(S_ISLNK) && defined(S_IFLNK)
	1891	#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
	1892	#endif
	1893	#if !defined(S_ISSOCK) && defined(S_IFSOCK)
	1894	#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
	1895	#endif
	1896	#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
	1897	#define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
	1898	#define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
	1899	#endif
	1900	#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
	1901	#define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
	1902	#endif
	1903
	1904
	1905	static char filesystem_type_uncached (char path, char *relpath,
	1906	struct stat *statp);
	1907
	1908	#ifdef FSTYPE_MNTENT /* 4.3BSD etc. */
[199]	1909	static int xatoi (const char *cp);
[1]	1910	#endif
	1911
	1912	#ifdef FSTYPE_MNTENT /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */
	1913	#include <mntent.h>
	1914	#if !defined(MOUNTED)
	1915	# if defined(MNT_MNTTAB) /* HP-UX. */
	1916	# define MOUNTED MNT_MNTTAB
	1917	# endif
	1918	# if defined(MNTTABNAME) /* Dynix. */
	1919	# define MOUNTED MNTTABNAME
	1920	# endif
	1921	#endif
	1922	#endif
	1923
	1924	#ifdef FSTYPE_GETMNT /* Ultrix. */
	1925	#include <sys/param.h>
	1926	#include <sys/mount.h>
	1927	#include <sys/fs_types.h>
	1928	#endif
	1929
	1930	#ifdef FSTYPE_USG_STATFS /* SVR3. */
	1931	#include <sys/statfs.h>
	1932	#include <sys/fstyp.h>
	1933	#endif
	1934
	1935	#ifdef FSTYPE_STATVFS /* SVR4. */
	1936	#include <sys/statvfs.h>
	1937	#include <sys/fstyp.h>
	1938	#endif
	1939
	1940	#ifdef FSTYPE_STATFS /* 4.4BSD. */
	1941	#include <sys/param.h> /* NetBSD needs this. */
	1942	#include <sys/mount.h>
	1943
	1944	#ifndef MFSNAMELEN /* NetBSD defines this. */
	1945	static char *
	1946	fstype_to_string (t)
	1947	short t;
	1948	{
	1949	#ifdef INITMOUNTNAMES /* Defined in 4.4BSD, not in NET/2. */
	1950	static char *mn[] = INITMOUNTNAMES;
	1951	if (t >= 0 && t <= MOUNT_MAXTYPE)
	1952	return mn[t];
	1953	else
	1954	return "?";
	1955	#else /* !INITMOUNTNAMES */
	1956	switch (t)
	1957	{
[231]	1958	#ifdef MOUNT_UFS
[1]	1959	case MOUNT_UFS:
	1960	return _("ufs");
[231]	1961	#endif
	1962	#ifdef MOUNT_ISO9660
	1963	case MOUNT_ISO9660:
	1964	return _("iso9660fs");
	1965	#endif
	1966	#ifdef MOUNT_CD9660
	1967	case MOUNT_CD9660:
	1968	return _("cd9660");
	1969	#endif
	1970	#ifdef MOUNT_NFS
[1]	1971	case MOUNT_NFS:
	1972	return _("nfs");
[231]	1973	#endif
[1]	1974	#ifdef MOUNT_PC
	1975	case MOUNT_PC:
	1976	return _("pc");
	1977	#endif
	1978	#ifdef MOUNT_MFS
	1979	case MOUNT_MFS:
	1980	return _("mfs");
	1981	#endif
	1982	#ifdef MOUNT_LO
	1983	case MOUNT_LO:
	1984	return _("lofs");
	1985	#endif
	1986	#ifdef MOUNT_TFS
	1987	case MOUNT_TFS:
	1988	return _("tfs");
	1989	#endif
	1990	#ifdef MOUNT_TMP
	1991	case MOUNT_TMP:
	1992	return _("tmp");
	1993	#endif
	1994	#ifdef MOUNT_MSDOS
	1995	case MOUNT_MSDOS:
	1996	return _("msdos");
	1997	#endif
[231]	1998	#ifdef MOUNT_LFS
	1999	case MOUNT_LFS:
	2000	return _("lfs");
[1]	2001	#endif
[231]	2002	#ifdef MOUNT_LOFS
	2003	case MOUNT_LOFS:
	2004	return _("lofs");
	2005	#endif
	2006	#ifdef MOUNT_FDESC
	2007	case MOUNT_FDESC:
	2008	return _("fdesc");
	2009	#endif
	2010	#ifdef MOUNT_PORTAL
	2011	case MOUNT_PORTAL:
	2012	return _("portal");
	2013	#endif
	2014	#ifdef MOUNT_NULL
	2015	case MOUNT_NULL:
	2016	return _("null");
	2017	#endif
	2018	#ifdef MOUNT_UMAP
	2019	case MOUNT_UMAP:
	2020	return _("umap");
	2021	#endif
	2022	#ifdef MOUNT_KERNFS
	2023	case MOUNT_KERNFS:
	2024	return _("kernfs");
	2025	#endif
	2026	#ifdef MOUNT_PROCFS
	2027	case MOUNT_PROCFS:
	2028	return _("procfs");
	2029	#endif
	2030	#ifdef MOUNT_DEVFS
	2031	case MOUNT_DEVFS:
	2032	return _("devfs");
	2033	#endif
	2034	#ifdef MOUNT_EXT2FS
	2035	case MOUNT_EXT2FS:
	2036	return _("ext2fs");
	2037	#endif
	2038	#ifdef MOUNT_UNION
	2039	case MOUNT_UNION:
	2040	return _("union");
	2041	#endif
[1]	2042	default:
	2043	return "?";
	2044	}
	2045	#endif /* !INITMOUNTNAMES */
	2046	}
	2047	#endif /* !MFSNAMELEN */
	2048	#endif /* FSTYPE_STATFS */
	2049
	2050	#ifdef FSTYPE_AIX_STATFS /* AIX. */
	2051	#include <sys/vmount.h>
	2052	#include <sys/statfs.h>
	2053
	2054	#define FSTYPE_STATFS /* Otherwise like 4.4BSD. */
	2055	#define f_type f_vfstype
	2056
	2057	static char *
	2058	fstype_to_string (t)
	2059	short t;
	2060	{
	2061	switch (t)
	2062	{
	2063	case MNT_AIX:
	2064	return _("aix"); /* AIX 4.3: NFS filesystems are actually MNT_AIX. */
	2065	#ifdef MNT_NAMEFS
	2066	case MNT_NAMEFS:
	2067	return _("namefs");
	2068	#endif
	2069	case MNT_NFS:
	2070	return _("nfs");
	2071	case MNT_JFS:
	2072	return _("jfs");
	2073	case MNT_CDROM:
	2074	return _("cdrom");
	2075	#ifdef MNT_PROCFS
	2076	case MNT_PROCFS:
	2077	return _("procfs");
	2078	#endif
	2079	#ifdef MNT_SFS
	2080	case MNT_SFS:
	2081	return _("sfs");
	2082	#endif
	2083	#ifdef MNT_CACHEFS
	2084	case MNT_CACHEFS:
	2085	return _("cachefs");
	2086	#endif
	2087	#ifdef MNT_NFS3
	2088	case MNT_NFS3:
	2089	return _("nfs3");
	2090	#endif
	2091	#ifdef MNT_AUTOFS
	2092	case MNT_AUTOFS:
	2093	return _("autofs");
	2094	#endif
	2095	#ifdef MNT_VXFS
	2096	case MNT_VXFS:
	2097	return _("vxfs");
	2098	#endif
	2099	#ifdef MNT_VXODM
	2100	case MNT_VXODM:
	2101	return _("veritasfs");
	2102	#endif
	2103	#ifdef MNT_UDF
	2104	case MNT_UDF:
	2105	return _("udfs");
	2106	#endif
	2107	#ifdef MNT_NFS4
	2108	case MNT_NFS4:
	2109	return _("nfs4");
	2110	#endif
	2111	#ifdef MNT_RFS4
	2112	case MNT_RFS4:
	2113	return _("nfs4");
	2114	#endif
	2115	#ifdef MNT_CIFS
	2116	case MNT_CIFS:
	2117	return _("cifs");
	2118	#endif
	2119	default:
	2120	return "?";
	2121	}
	2122	}
	2123	#endif /* FSTYPE_AIX_STATFS */
	2124
	2125	#ifdef AFS
	2126	#include <netinet/in.h>
	2127	#include <afs/venus.h>
	2128	#if __STDC__
	2129	/* On SunOS 4, afs/vice.h defines this to rely on a pre-ANSI cpp. */
	2130	#undef _VICEIOCTL
	2131	#define _VICEIOCTL(id) ((unsigned int ) _IOW('V', id, struct ViceIoctl))
	2132	#endif
	2133	#ifndef _IOW
	2134	/* AFS on Solaris 2.3 doesn't get this definition. */
	2135	#include <sys/ioccom.h>
	2136	#endif
	2137
	2138	static int
	2139	in_afs (path)
	2140	char *path;
	2141	{
	2142	static char space[2048];
	2143	struct ViceIoctl vi;
	2144
	2145	vi.in_size = 0;
	2146	vi.out_size = sizeof (space);
	2147	vi.out = space;
	2148
	2149	if (pioctl (path, VIOC_FILE_CELL_NAME, &vi, 1)
	2150	&& (errno == EINVAL \|\| errno == ENOENT))
	2151	return 0;
	2152	return 1;
	2153	}
	2154	#endif /* AFS */
	2155
	2156	/* Nonzero if the current filesystem's type is known. */
	2157	static int fstype_known = 0;
	2158
	2159	/* Return a static string naming the type of filesystem that the file PATH,
	2160	described by STATP, is on.
	2161	RELPATH is the file name relative to the current directory.
	2162	Return "unknown" if its filesystem type is unknown. */
	2163
	2164	static char *
	2165	filesystem_type (char * path, char * relpath, struct stat * statp)
	2166	{
	2167	static char *current_fstype = NULL;
	2168	static dev_t current_dev;
	2169
	2170	if (current_fstype != NULL)
	2171	{
	2172	if ((0 != fstype_known) && statp->st_dev == current_dev)
	2173	return current_fstype; /* Cached value. */
	2174	SH_FREE (current_fstype);
	2175	}
	2176	current_dev = statp->st_dev;
	2177	current_fstype = filesystem_type_uncached (path, relpath, statp);
	2178	return current_fstype;
	2179	}
	2180
[253]	2181	/* This variable is not used anywhere. It only exists
	2182	* to assign &dirlist to it, which keeps gcc from
	2183	* putting it into a register, and avoids the 'clobbered
	2184	* by longjmp' warning. And no, 'volatile' proved insufficient.
	2185	*/
	2186	static void * sh_dummy_type = NULL;
	2187
	2188
[1]	2189	/* Return a newly allocated string naming the type of filesystem that the
	2190	file PATH, described by STATP, is on.
	2191	RELPATH is the file name relative to the current directory.
	2192	Return "unknown" if its filesystem type is unknown. */
	2193
	2194	static char *
	2195	filesystem_type_uncached (path, relpath, statp)
	2196	char *path;
	2197	char *relpath;
	2198	struct stat *statp;
	2199	{
	2200	char * type = NULL;
	2201	#ifdef MFSNAMELEN /* NetBSD. */
	2202	static char my_tmp_type[64];
	2203	#endif
	2204
	2205	#ifdef FSTYPE_MNTENT /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */
	2206	char *table = MOUNTED;
	2207	FILE *mfp;
	2208	struct mntent *mnt;
	2209
	2210	if (path == NULL \|\| relpath == NULL)
	2211	return NULL;
	2212
	2213	mfp = setmntent (table, "r");
	2214	if (mfp == NULL)
	2215	{
[253]	2216	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2217	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
	2218	_("setmntent() failed"),
	2219	_("filesystem_type_uncached") );
[253]	2220	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2221	return NULL;
	2222	}
	2223
[253]	2224	/* Take the address to keep gcc from putting it into a register.
	2225	* Avoids the 'clobbered by longjmp' warning.
	2226	*/
	2227	sh_dummy_type = (void*) &type;
	2228
[1]	2229	/* Find the entry with the same device number as STATP, and return
	2230	that entry's fstype. */
	2231	while (type == NULL && (mnt = getmntent (mfp)) != NULL)
	2232	{
[199]	2233	const char *devopt;
[1]	2234	dev_t dev;
	2235	struct stat disk_stats;
	2236
	2237	#ifdef MNTTYPE_IGNORE
	2238	if (0 == strcmp (mnt->mnt_type, MNTTYPE_IGNORE))
	2239	continue;
	2240	#endif
	2241
	2242	/* Newer systems like SunOS 4.1 keep the dev number in the mtab,
	2243	in the options string. For older systems, we need to stat the
	2244	directory that the filesystem is mounted on to get it.
	2245
	2246	Unfortunately, the HPUX 9.x mnttab entries created by automountq
	2247	contain a dev= option but the option value does not match the
	2248	st_dev value of the file (maybe the lower 16 bits match?). */
	2249
	2250	#if !defined(hpux) && !defined(__hpux__)
	2251	devopt = sl_strstr (mnt->mnt_opts, "dev=");
	2252	if (devopt)
	2253	{
	2254	if (devopt[4] == '0' && (devopt[5] == 'x' \|\| devopt[5] == 'X'))
	2255	dev = (dev_t) xatoi (devopt + 6);
	2256	else
	2257	dev = (dev_t) xatoi (devopt + 4);
	2258	}
	2259	else
	2260	#endif /* not hpux */
	2261	{
	2262	if (stat (mnt->mnt_dir, &disk_stats) == -1)
	2263	{
[252]	2264	char errmsg[256];
[253]	2265	volatile int elevel = SH_ERR_ERR;
[252]	2266	size_t tlen = strlen(mnt->mnt_dir);
	2267	if (tlen >= 6 && 0 == strcmp(&((mnt->mnt_dir)[tlen-6]), _("/.gvfs")))
	2268	elevel = SH_ERR_NOTICE;
	2269	sl_snprintf(errmsg, sizeof(errmsg), _("stat(%s) failed"),
	2270	mnt->mnt_dir);
[253]	2271	SH_MUTEX_LOCK(mutex_thread_nolog);
[252]	2272	sh_error_handle (elevel, FIL__, __LINE__, 0, MSG_E_SUBGEN,
	2273	errmsg,
[1]	2274	_("filesystem_type_uncached") );
[253]	2275	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2276	return NULL;
	2277	}
	2278	dev = disk_stats.st_dev;
	2279	}
	2280
	2281	if (dev == statp->st_dev)
	2282	{
	2283	/* check for the "nosuid" option
	2284	*/
[61]	2285	#ifdef HAVE_HASMNTOPT
[119]	2286	if (NULL == hasmntopt(mnt, "nosuid") \|\| (ShSuidchkNosuid == S_TRUE))
[1]	2287	type = mnt->mnt_type;
	2288	else
[61]	2289	type = _("nosuid"); /* hasmntopt (nosuid) */
	2290	#else
	2291	type = mnt->mnt_type;
	2292	#endif
[1]	2293	}
	2294	}
	2295
	2296	if (endmntent (mfp) == 0)
	2297	{
[253]	2298	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2299	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
	2300	_("endmntent() failed"),
	2301	_("filesystem_type_uncached") );
[253]	2302	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2303	}
	2304	#endif
	2305
	2306	#ifdef FSTYPE_GETMNT /* Ultrix. */
	2307	int offset = 0;
	2308	struct fs_data fsd;
	2309
	2310	if (path == NULL \|\| relpath == NULL)
	2311	return NULL;
	2312
[253]	2313	/* Take the address to keep gcc from putting it into a register.
	2314	* Avoids the 'clobbered by longjmp' warning.
	2315	*/
	2316	sh_dummy_type = (void*) &type;
	2317
[1]	2318	while (type == NULL
	2319	&& getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY, 0) > 0)
	2320	{
	2321	if (fsd.fd_req.dev == statp->st_dev)
	2322	type = gt_names[fsd.fd_req.fstype];
	2323	}
	2324	#endif
	2325
	2326	#ifdef FSTYPE_USG_STATFS /* SVR3. */
	2327	struct statfs fss;
	2328	char typebuf[FSTYPSZ];
	2329
	2330	if (path == NULL \|\| relpath == NULL)
	2331	return NULL;
	2332
[253]	2333	/* Take the address to keep gcc from putting it into a register.
	2334	* Avoids the 'clobbered by longjmp' warning.
	2335	*/
	2336	sh_dummy_type = (void*) &type;
	2337
[1]	2338	if (statfs (relpath, &fss, sizeof (struct statfs), 0) == -1)
	2339	{
	2340	/* Don't die if a file was just removed. */
	2341	if (errno != ENOENT)
	2342	{
[253]	2343	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2344	sh_error_handle ((-1), FIL__, __LINE__, errno, MSG_E_SUBGEN,
	2345	_("statfs() failed"),
	2346	_("filesystem_type_uncached") );
[253]	2347	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2348	return NULL;
	2349	}
	2350	}
	2351	else if (!sysfs (GETFSTYP, fss.f_fstyp, typebuf))
	2352	type = typebuf;
	2353	#endif
	2354
	2355	#ifdef FSTYPE_STATVFS /* SVR4. */
	2356	struct statvfs fss;
	2357
	2358	if (path == NULL \|\| relpath == NULL)
	2359	return NULL;
	2360
[253]	2361	/* Take the address to keep gcc from putting it into a register.
	2362	* Avoids the 'clobbered by longjmp' warning.
	2363	*/
	2364	sh_dummy_type = (void*) &type;
	2365
[1]	2366	if (statvfs (relpath, &fss) == -1)
	2367	{
	2368	/* Don't die if a file was just removed. */
	2369	if (errno != ENOENT)
	2370	{
[253]	2371	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2372	sh_error_handle ((-1), FIL__, __LINE__, errno, MSG_E_SUBGEN,
	2373	_("statvfs() failed"),
	2374	_("filesystem_type_uncached") );
[253]	2375	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2376	return NULL;
	2377	}
	2378	}
	2379	else
	2380	{
	2381	type = fss.f_basetype;
	2382
	2383	/* patch by Konstantin Khrooschev <nathoo@co.ru>
	2384	*/
[119]	2385	if( (fss.f_flag & ST_NOSUID) && (ShSuidchkNosuid == S_FALSE))
[1]	2386	type = _("nosuid");
	2387	}
	2388	(void) statp; /* fix compiler warning */
	2389	#endif
	2390
	2391	#ifdef FSTYPE_STATFS /* 4.4BSD. */
	2392	struct statfs fss;
	2393	char *p;
	2394	#if defined(MNT_VISFLAGMASK) && defined(HAVE_STRUCT_STATFS_F_FLAGS)
	2395	int flags;
	2396	#endif
	2397	/* char * sh_dirname(const char path); /
	2398
	2399	if (path == NULL \|\| relpath == NULL)
	2400	return NULL;
	2401
[253]	2402	/* Take the address to keep gcc from putting it into a register.
	2403	* Avoids the 'clobbered by longjmp' warning.
	2404	*/
	2405	sh_dummy_type = (void*) &type;
	2406
[1]	2407	if (S_ISLNK (statp->st_mode))
	2408	p = sh_dirname (relpath);
	2409	else
	2410	p = relpath;
	2411
	2412	if (statfs (p, &fss) == -1)
	2413	{
	2414	/* Don't die if symlink to nonexisting file, or a file that was
	2415	just removed. */
	2416	if (errno != ENOENT)
	2417	{
[253]	2418	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2419	sh_error_handle ((-1), FIL__, __LINE__, errno, MSG_E_SUBGEN,
	2420	_("statfs() failed"),
	2421	_("filesystem_type_uncached") );
[253]	2422	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2423	return NULL;
	2424	}
	2425	}
	2426	else
	2427	{
	2428
	2429	#ifdef MFSNAMELEN /* NetBSD. */
	2430	/* MEMORY LEAK !!!
	2431	* type = sh_util_strdup (fss.f_fstypename);
	2432	*/
	2433	sl_strlcpy (my_tmp_type, fss.f_fstypename, 64);
	2434	type = my_tmp_type;
	2435	#else
	2436	type = fstype_to_string (fss.f_type);
	2437	#endif
	2438
	2439	#ifdef HAVE_STRUCT_STATFS_F_FLAGS
	2440	#ifdef MNT_VISFLAGMASK
	2441	flags = fss.f_flags & MNT_VISFLAGMASK;
[119]	2442	if ((flags & MNT_NOSUID) && (ShSuidchkNosuid == S_FALSE))
[1]	2443	#else
[119]	2444	if ((fss.f_flags & MNT_NOSUID) && (ShSuidchkNosuid == S_FALSE))
[1]	2445	#endif
	2446	type = _("nosuid");
	2447	#endif
	2448	}
	2449	if (p != relpath)
	2450	SH_FREE (p);
	2451	#endif
	2452
	2453	#ifdef AFS
	2454	if ((!type \|\| !strcmp (type, "xx")) && in_afs (relpath))
	2455	type = "afs";
	2456	#endif
	2457
	2458	/* An unknown value can be caused by an ENOENT error condition.
	2459	Don't cache those values. */
	2460	fstype_known = (int)(type != NULL);
	2461
	2462	return sh_util_strdup (type ? type : "unknown");
	2463	}
	2464
	2465	#ifdef FSTYPE_MNTENT /* 4.3BSD etc. */
	2466	/* Return the value of the hexadecimal number represented by CP.
	2467	No prefix (like '0x') or suffix (like 'h') is expected to be
	2468	part of CP. */
	2469
	2470	static int
	2471	xatoi (cp)
[199]	2472	const char *cp;
[1]	2473	{
	2474	int val;
	2475
	2476	val = 0;
	2477	while (*cp != '\0')
	2478	{
	2479	/@+charint@/
	2480	if (cp >= 'a' && cp <= 'f')
	2481	val = val * 16 + *cp - 'a' + 10;
	2482	else if (cp >= 'A' && cp <= 'F')
	2483	val = val * 16 + *cp - 'A' + 10;
	2484	else if (cp >= '0' && cp <= '9')
	2485	val = val * 16 + *cp - '0';
	2486	else
	2487	break;
	2488	/@-charint@/
	2489	cp++;
	2490	}
	2491	return val;
	2492	}
	2493	#endif
	2494
	2495
	2496
	2497	#endif
	2498
	2499
	2500	/* #ifdef SH_USE_UTMP */
	2501	#endif
	2502
	2503
	2504

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