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source: trunk/src/sh_suidchk.c@ 259

Last change on this file since 259 was 257, checked in by katerina, 15 years ago
Fix for issues with debug code and testsuite (tickets #174, #175).
File size: 62.4 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.
	195	*/
	196	static int do_truncate_int (char * path, int depth)
	197	{
	198	char * q;
	199	struct stat one;
	200	struct stat two;
	201	int fd;
[132]	202	char errbuf[SH_ERRBUF_SIZE];
[1]	203
	204	if (depth > 99)
	205	{
[253]	206	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	207	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	208	MSG_SUID_ERROR,
	209	_("do_truncate: max depth 99 exceeded"));
[253]	210	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	211	return -1;
	212	}
	213	++depth;
	214	if (path[0] != '/')
	215	{
[253]	216	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	217	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	218	MSG_SUID_ERROR,
	219	_("do_truncate: not an absolute path"));
[253]	220	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	221	return -1;
	222	}
	223	++path;
	224	q = strchr(path, '/');
	225	if (q)
	226	{
	227	*q = '\0';
	228	if (0 != retry_lstat(FIL__, __LINE__, path, &one))
	229	{
[253]	230	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	231	sh_error_handle ((-1), FIL__, __LINE__, errno,
	232	MSG_SUID_ERROR,
[132]	233	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	234	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	235	*q = '/';
	236	return -1;
	237	}
	238	if (/@-usedef@/!S_ISDIR(one.st_mode)/@+usedef@/)
	239
	240	{
[253]	241	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	242	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	243	MSG_SUID_ERROR,
	244	_("Possible race: not a directory"));
[253]	245	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	246	*q = '/';
	247	return -1;
	248	}
	249
	250
	251	if (0 != chdir(path))
	252	{
[253]	253	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	254	sh_error_handle ((-1), FIL__, __LINE__, errno,
	255	MSG_SUID_ERROR,
[132]	256	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	257	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	258	*q = '/';
	259	return -1;
	260	}
	261	*q = '/';
	262	if (0 != retry_lstat(FIL__, __LINE__, ".", &two))
	263	{
	264	sh_error_handle ((-1), FIL__, __LINE__, errno,
	265	MSG_SUID_ERROR,
[132]	266	sh_error_message(errno, errbuf, sizeof(errbuf)));
[1]	267	return -1;
	268	}
	269	if (/@-usedef@/(one.st_dev != two.st_dev) \|\|
	270	(one.st_ino != two.st_ino) \|\|
	271	(!S_ISDIR(two.st_mode))/@+usedef@/)
	272	{
[253]	273	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	274	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	275	MSG_SUID_ERROR,
	276	_("Possible race: lstat(dir) != lstat(.)"));
[253]	277	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	278	return -1;
	279	}
	280
	281
	282	return (do_truncate_int(q, depth));
	283	}
	284	else
	285	{
	286	/* no more '/', so this is the file
	287	*/
	288	if (*path == '\0')
	289	return -1;
	290	if (0 != retry_lstat(FIL__, __LINE__, path, &one))
	291	{
[253]	292	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	293	sh_error_handle ((-1), FIL__, __LINE__, errno,
	294	MSG_SUID_ERROR,
[132]	295	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	296	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	297	return -1;
	298	}
	299	fd = open(path, O_RDWR);
	300	if (-1 == fd)
	301	{
[253]	302	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	303	sh_error_handle ((-1), FIL__, __LINE__, errno,
	304	MSG_SUID_ERROR,
[132]	305	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	306	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	307	return -1;
	308	}
	309	if (0 != retry_fstat(FIL__, __LINE__, fd, &two))
	310	{
[253]	311	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	312	sh_error_handle ((-1), FIL__, __LINE__, errno,
	313	MSG_SUID_ERROR,
[132]	314	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	315	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	316	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	317	return -1;
	318	}
	319	if (/@-usedef@/(one.st_dev != two.st_dev) \|\|
	320	(one.st_ino != two.st_ino)/@+usedef@/)
	321	{
[253]	322	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	323	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	324	MSG_SUID_ERROR,
	325	_("Possible race: lstat != fstat"));
[253]	326	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	327	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	328	return -1;
	329	}
	330	if (!S_ISREG(two.st_mode))
	331	{
[253]	332	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	333	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	334	MSG_SUID_ERROR,
	335	_("Possible race: not a regular file"));
[253]	336	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	337	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	338	return -1;
	339	}
	340	if ((0 == (two.st_mode & S_ISUID)) && (0 == (two.st_mode & S_ISGID)))
	341	{
[253]	342	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	343	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	344	MSG_SUID_ERROR,
	345	_("Possible race: not a suid/sgid file"));
[253]	346	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	347	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	348	return -1;
	349	}
	350	if (ShSuidchkQDelete == S_FALSE)
	351	{
	352	if ((two.st_mode & S_ISUID) > 0)
	353	two.st_mode -= S_ISUID;
	354	if ((two.st_mode & S_ISGID) > 0)
	355	two.st_mode -= S_ISGID;
	356	#ifdef HAVE_FCHMOD
	357	if (-1 == /@-unrecog@/fchmod(fd, two.st_mode)/@+unrecog@/)
	358	{
[253]	359	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	360	sh_error_handle ((-1), FIL__, __LINE__, errno,
	361	MSG_SUID_ERROR,
[132]	362	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	363	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	364	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	365	return -1;
	366	}
	367	#else
[253]	368	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	369	sh_error_handle ((-1), FIL__, __LINE__, errno,
	370	MSG_SUID_ERROR,
	371	_("The fchmod() function is not available"));
[253]	372	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	373	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	374	return -1;
	375	#endif
	376	if (two.st_nlink > 1)
	377	{
[253]	378	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	379	sh_error_handle ((-1), FIL__, __LINE__, 0,
	380	MSG_SUID_ERROR,
	381	_("Not truncated because hardlink count gt 1"));
[253]	382	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	383	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	384	return -1;
	385	}
	386	/* The man page says: 'POSIX has ftruncate'
	387	*/
	388	if (-1 == /@-unrecog@/ftruncate(fd, 0)/@+unrecog@/)
	389	{
[253]	390	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	391	sh_error_handle ((-1), FIL__, __LINE__, errno,
	392	MSG_SUID_ERROR,
[132]	393	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	394	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	395	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	396	return -1;
	397	}
	398	}
	399	else
	400	{
	401	if (-1 == retry_aud_unlink(FIL__, __LINE__, path))
	402	{
[253]	403	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	404	sh_error_handle ((-1), FIL__, __LINE__, errno,
	405	MSG_SUID_ERROR,
[132]	406	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	407	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[252]	408	(void) sl_close_fd(FIL__, __LINE__, fd);
[1]	409	return -1;
	410	}
	411	}
[252]	412	(void) sl_close_fd (FIL__, __LINE__, fd);
[1]	413	return (0);
	414	}
	415	}
	416
[94]	417	static int do_truncate (const char * path_in)
[1]	418	{
[253]	419	volatile int caperr;
[94]	420	int result;
	421	char * path;
[132]	422	char errbuf[SH_ERRBUF_SIZE];
[1]	423
	424	if (0 != chdir("/"))
	425	{
[253]	426	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	427	sh_error_handle ((-1), FIL__, __LINE__, errno,
	428	MSG_SUID_ERROR,
[132]	429	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	430	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	431	}
	432
	433	if (0 != (caperr = sl_get_cap_qdel()))
	434	{
[253]	435	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	436	sh_error_handle((-1), FIL__, __LINE__, caperr, MSG_E_SUBGEN,
[132]	437	sh_error_message (caperr, errbuf, sizeof(errbuf)),
[1]	438	_("sl_get_cap_qdel"));
[253]	439	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	440	}
	441
[94]	442	path = sh_util_strdup (path_in);
[1]	443	result = do_truncate_int (path, 0);
[94]	444	SH_FREE(path);
[1]	445
	446	if (0 != (caperr = sl_drop_cap_qdel()))
	447	{
[253]	448	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	449	sh_error_handle((-1), FIL__, __LINE__, caperr, MSG_E_SUBGEN,
[132]	450	sh_error_message (caperr, errbuf, sizeof(errbuf)),
[1]	451	_("sl_drop_cap_qdel"));
[253]	452	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	453	}
	454
	455	if (0 != chdir("/"))
	456	{
[253]	457	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	458	sh_error_handle ((-1), FIL__, __LINE__, errno,
	459	MSG_SUID_ERROR,
[132]	460	sh_error_message(errno, errbuf, sizeof(errbuf)));
[253]	461	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	462	}
	463	return result;
	464	}
	465
[253]	466	/* This variable is not used anywhere. It only exists
	467	* to assign &dirlist to it, which keeps gcc from
	468	* putting it into a register, and avoids the 'clobbered
	469	* by longjmp' warning. And no, 'volatile' proved insufficient.
	470	*/
	471	static void * sh_dummy_tmp = NULL;
	472
[94]	473	static void sh_q_delete(const char * fullpath)
	474	{
	475	int status;
	476	char * msg;
	477	char * tmp;
	478
[253]	479	/* Take the address to keep gcc from putting it into a register.
	480	* Avoids the 'clobbered by longjmp' warning.
	481	*/
	482	sh_dummy_tmp = (void*) &tmp;
	483
[94]	484	if (do_truncate (fullpath) == -1)
	485	{
	486	status = errno;
	487	msg = SH_ALLOC(SH_BUFSIZE);
	488	tmp = sh_util_safe_name(fullpath);
	489
	490	(void) sl_snprintf(msg, SH_BUFSIZE,
	491	_("Problem quarantining file. File NOT quarantined. errno = %ld"),
	492	status);
[253]	493	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	494	sh_error_handle (ShSuidchkSeverity,
	495	FIL__, __LINE__,
	496	status,
	497	MSG_SUID_QREPORT, msg,
	498	tmp );
[253]	499	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	500	SH_FREE(tmp);
	501	SH_FREE(msg);
	502	}
	503	else
	504	{
	505	tmp = sh_util_safe_name(fullpath);
[253]	506	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	507	sh_error_handle (ShSuidchkSeverity,
	508	FIL__, __LINE__, 0,
	509	MSG_SUID_QREPORT,
	510	_("Quarantine method applied"),
	511	tmp );
[253]	512	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	513	SH_FREE(tmp);
	514	}
	515	return;
	516	}
	517
[253]	518	/* This variable is not used anywhere. It only exists
	519	* to assign &dirlist to it, which keeps gcc from
	520	* putting it into a register, and avoids the 'clobbered
	521	* by longjmp' warning. And no, 'volatile' proved insufficient.
	522	*/
	523	static void * sh_dummy_mtmp = NULL;
	524	static void * sh_dummy_mmsg = NULL;
	525
[94]	526	static void sh_q_move(const char * fullpath, file_type * theFile,
	527	const char * timestrc, const char * timestra,
	528	const char * timestrm)
	529	{
[253]	530	volatile int status;
[94]	531	int readFile = -1;
[253]	532	volatile int writeFile = -1;
[94]	533	struct stat fileInfo;
	534	ssize_t count;
	535	char * msg;
	536	char * tmp;
	537	char * basetmp;
	538	char * filetmp;
	539	char buffer[1024];
	540	char * dir = SH_ALLOC(PATH_MAX+1);
	541	mode_t umask_old;
	542	FILE * filePtr = NULL;
	543
[253]	544	/* Take the address to keep gcc from putting it into a register.
	545	* Avoids the 'clobbered by longjmp' warning.
	546	*/
	547	sh_dummy_mtmp = (void*) &tmp;
	548	sh_dummy_mmsg = (void*) &msg;
	549
[94]	550	(void) sl_strlcpy (dir, DEFAULT_QDIR, PATH_MAX+1);
	551
	552	if (retry_stat (FIL__, __LINE__, dir, &fileInfo) != 0)
	553	{
	554	/* Quarantine directory does not exist,
	555	*/
	556	status = errno;
	557	msg = SH_ALLOC(SH_BUFSIZE);
	558	tmp = sh_util_safe_name(fullpath);
	559
	560	(void) sl_snprintf(msg, SH_BUFSIZE,
	561	_("Problem quarantining file. File NOT quarantined. errno = %ld (stat)"),
	562	status);
[253]	563	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	564	sh_error_handle (ShSuidchkSeverity,
	565	FIL__, __LINE__,
	566	status,
	567	MSG_SUID_QREPORT, msg,
	568	tmp );
[253]	569	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	570	SH_FREE(tmp);
	571	SH_FREE(msg);
	572	}
	573	else
	574	{
	575	if (retry_lstat (FIL__, __LINE__,
	576	fullpath, &fileInfo) == -1)
	577	{
	578	status = errno;
	579	msg = SH_ALLOC(SH_BUFSIZE);
	580	tmp = sh_util_safe_name(fullpath);
	581
	582	(void) sl_snprintf(msg, SH_BUFSIZE, _("I/O error. errno = %ld(stat)"), status);
[253]	583	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	584	sh_error_handle (ShSuidchkSeverity,
	585	FIL__, __LINE__,
	586	status,
	587	MSG_SUID_QREPORT,
	588	msg, tmp );
[253]	589	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	590	SH_FREE(tmp);
	591	SH_FREE(msg);
	592	}
	593	else
	594	{
	595	basetmp = sh_util_strdup(fullpath);
	596	filetmp = SH_ALLOC(PATH_MAX+1);
	597	tmp = sh_util_basename(basetmp);
	598
	599	(void) sl_snprintf(filetmp, PATH_MAX+1, "%s/%s",
	600	DEFAULT_QDIR, tmp);
	601	SH_FREE(tmp);
	602	SH_FREE(basetmp);
	603
	604	readFile = open (fullpath, O_RDONLY);
	605	if (readFile != -1)
[166]	606	writeFile = open (filetmp, O_WRONLY\|O_CREAT, S_IRUSR\|S_IWUSR\|S_IXUSR);
[94]	607
	608	if ((readFile == -1) \|\| (writeFile == -1))
	609	{
	610	status = errno;
	611	msg = SH_ALLOC(SH_BUFSIZE);
	612	tmp = sh_util_safe_name(fullpath);
	613
	614	(void) sl_snprintf(msg, SH_BUFSIZE, _("Problem quarantining file. File NOT quarantined. errno = %ld (open)"), status);
[253]	615	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	616	sh_error_handle (ShSuidchkSeverity,
	617	FIL__, __LINE__, status,
	618	MSG_SUID_QREPORT,
	619	msg, tmp );
[253]	620	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	621	SH_FREE(tmp);
	622	SH_FREE(msg);
	623	}
	624	else
	625	{
	626	/* sizeof(buffer) is 1024
	627	*/
	628	while ((count = (int) read (readFile, buffer, sizeof (buffer))) > 0)
	629	{
	630	if ((int) write (writeFile, buffer, (size_t) count) != count)
	631	{
	632	status = errno;
	633	msg = SH_ALLOC(SH_BUFSIZE);
	634	tmp = sh_util_safe_name(fullpath);
	635
	636	(void) sl_snprintf(msg, SH_BUFSIZE,
	637	_("I/O error. errno = %ld (write)"), status);
[253]	638	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	639	sh_error_handle (ShSuidchkSeverity,
	640	FIL__,
	641	__LINE__,
	642	status,
	643	MSG_SUID_QREPORT,
	644	msg, tmp );
[253]	645	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	646	SH_FREE(tmp);
	647	SH_FREE(msg);
	648	}
	649	}
	650	}
	651
[252]	652	(void) sl_close_fd (FIL__, __LINE__, readFile);
[94]	653	(void) fchmod(writeFile, S_IRUSR \| S_IWUSR \| S_IXUSR);
[252]	654	(void) sl_close_fd (FIL__, __LINE__, writeFile);
[94]	655
	656	if (do_truncate (fullpath) == -1)
	657	{
	658	status = errno;
	659	msg = SH_ALLOC(SH_BUFSIZE);
	660	tmp = sh_util_safe_name(fullpath);
	661
	662	(void) sl_snprintf(msg, SH_BUFSIZE,
	663	_("Problem quarantining file. File NOT quarantined. errno = %ld"),
	664	status);
[253]	665	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	666	sh_error_handle (ShSuidchkSeverity,
	667	FIL__, __LINE__, status,
	668	MSG_SUID_QREPORT,
	669	msg, tmp );
[253]	670	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	671	SH_FREE(tmp);
	672	SH_FREE(msg);
	673	}
	674	else
	675	{
	676	tmp = sh_util_basename(fullpath);
	677
	678	(void) sl_snprintf(filetmp, PATH_MAX+1, "%s/%s.info",
	679	DEFAULT_QDIR,
	680	tmp);
	681
	682	SH_FREE(tmp);
	683	/*
	684	* avoid chmod by setting umask
	685	*/
	686	umask_old = umask (0077);
	687	filePtr = fopen (filetmp, "w+");
	688
	689	/@-usedef@/
	690	if (filePtr)
	691	{
	692	fprintf(filePtr,
	693	_("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"),
	694	fullpath,
	695	(unsigned long) theFile->size,
	696	theFile->c_owner, (int) theFile->owner,
	697	theFile->c_group, (int) theFile->group,
	698	timestrc, timestra, timestrm);
[252]	699	(void) sl_fclose (FIL__, __LINE__, filePtr);
[94]	700	}
	701	/@+usedef@/
	702	umask (umask_old);
	703
	704	tmp = sh_util_safe_name(fullpath);
[253]	705	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	706	sh_error_handle (ShSuidchkSeverity,
	707	FIL__,__LINE__,
	708	0, MSG_SUID_QREPORT,
	709	_("Quarantine method applied"),
	710	tmp );
[253]	711	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	712	SH_FREE(tmp);
	713	}
	714	SH_FREE(filetmp);
	715	}
	716	}
	717	SH_FREE(dir);
	718	return;
	719	}
	720
[253]	721	/* This variable is not used anywhere. It only exists
	722	* to assign &dirlist to it, which keeps gcc from
	723	* putting it into a register, and avoids the 'clobbered
	724	* by longjmp' warning. And no, 'volatile' proved insufficient.
	725	*/
	726	static void * sh_dummy_ctmp = NULL;
	727	static void * sh_dummy_cmsg = NULL;
	728
[94]	729	static void sh_q_changeperm(const char * fullpath)
	730	{
[253]	731	volatile int caperr;
	732	volatile int status;
[94]	733	char * msg;
	734	char * tmp;
	735	struct stat fileInfo;
	736	struct stat fileInfo_F;
	737	int cperm_status = 0;
[253]	738	volatile int file_d = -1;
[132]	739	char errbuf[SH_ERRBUF_SIZE];
[94]	740
[253]	741	/* Take the address to keep gcc from putting it into a register.
	742	* Avoids the 'clobbered by longjmp' warning.
	743	*/
	744	sh_dummy_ctmp = (void*) &tmp;
	745	sh_dummy_cmsg = (void*) &msg;
	746
[94]	747	if (retry_lstat(FIL__, __LINE__, fullpath, &fileInfo) == -1)
	748	{
	749	status = errno;
	750	msg = SH_ALLOC(SH_BUFSIZE);
	751	tmp = sh_util_safe_name(fullpath);
	752
	753	(void) sl_snprintf(msg, SH_BUFSIZE, _("I/O error. errno = %ld"), status);
[253]	754	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	755	sh_error_handle (ShSuidchkSeverity,
	756	FIL__, __LINE__,
	757	status,
	758	MSG_SUID_QREPORT, msg,
	759	tmp );
[253]	760	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	761	SH_FREE(tmp);
	762	SH_FREE(msg);
	763	cperm_status = -1;
	764	}
	765
	766	if (cperm_status == 0)
	767	{
	768	if (0 != (caperr = sl_get_cap_qdel()))
	769	{
[253]	770	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	771	sh_error_handle((-1), FIL__, __LINE__,
	772	caperr, MSG_E_SUBGEN,
[132]	773	sh_error_message (caperr, errbuf, sizeof(errbuf)),
[94]	774	_("sl_get_cap_qdel"));
[253]	775	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	776	cperm_status = -1;
	777	}
	778	}
	779
	780	if (cperm_status == 0)
	781	{
	782	file_d = aud_open (FIL__, __LINE__, SL_YESPRIV,
	783	fullpath, O_RDONLY, 0);
	784	if (-1 == file_d)
	785	{
	786	status = errno;
	787	msg = SH_ALLOC(SH_BUFSIZE);
	788	tmp = sh_util_safe_name(fullpath);
	789
	790	(void) sl_snprintf(msg, SH_BUFSIZE, _("I/O error. errno = %ld"), status);
[253]	791	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	792	sh_error_handle (ShSuidchkSeverity,
	793	FIL__, __LINE__,
	794	status,
	795	MSG_SUID_QREPORT, msg,
	796	tmp );
[253]	797	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	798	SH_FREE(tmp);
	799	SH_FREE(msg);
	800	cperm_status = -1;
	801	}
	802	}
	803
	804	if (cperm_status == 0)
	805	{
	806	if (retry_fstat(FIL__, __LINE__, file_d, &fileInfo_F) == -1)
	807	{
	808	status = errno;
	809	msg = SH_ALLOC(SH_BUFSIZE);
	810	tmp = sh_util_safe_name(fullpath);
	811
	812	(void) sl_snprintf(msg, SH_BUFSIZE,
	813	_("I/O error. errno = %ld"), status);
[253]	814	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	815	sh_error_handle (ShSuidchkSeverity,
	816	FIL__, __LINE__,
	817	status,
	818	MSG_SUID_QREPORT, msg,
	819	tmp );
[253]	820	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	821	SH_FREE(tmp);
	822	SH_FREE(msg);
	823	cperm_status = -1;
	824	}
	825	}
	826
	827	if (cperm_status == 0)
	828	{
	829	if (fileInfo_F.st_ino != fileInfo.st_ino \|\|
	830	fileInfo_F.st_dev != fileInfo.st_dev \|\|
	831	fileInfo_F.st_mode != fileInfo.st_mode)
	832	{
	833	status = errno;
	834	msg = SH_ALLOC(SH_BUFSIZE);
	835	tmp = sh_util_safe_name(fullpath);
	836
	837	(void) sl_snprintf(msg, SH_BUFSIZE,
	838	_("Race detected. errno = %ld"), status);
[253]	839	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	840	sh_error_handle (ShSuidchkSeverity,
	841	FIL__, __LINE__,
	842	status,
	843	MSG_SUID_QREPORT, msg,
	844	tmp );
[253]	845	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	846	SH_FREE(tmp);
	847	SH_FREE(msg);
	848	cperm_status = -1;
	849	}
	850	}
	851
	852	if ((fileInfo.st_mode & S_ISUID) > 0)
	853	fileInfo.st_mode -= S_ISUID;
	854	if ((fileInfo.st_mode & S_ISGID) > 0)
	855	fileInfo.st_mode -= S_ISGID;
	856
	857	if (cperm_status == 0)
	858	{
	859	if (fchmod(file_d, fileInfo.st_mode) == -1)
	860	{
	861	status = errno;
	862	msg = SH_ALLOC(SH_BUFSIZE);
	863	tmp = sh_util_safe_name(fullpath);
	864
	865	(void) sl_snprintf(msg, SH_BUFSIZE,
	866	_("Problem quarantining file. File NOT quarantined. errno = %ld"),
	867	status);
[253]	868	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	869	sh_error_handle (ShSuidchkSeverity,
	870	FIL__, __LINE__,
	871	status,
	872	MSG_SUID_QREPORT,
	873	msg, tmp );
[253]	874	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	875	SH_FREE(tmp);
	876	SH_FREE(msg);
	877	}
	878	else
	879	{
	880	tmp = sh_util_safe_name(fullpath);
[253]	881	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	882	sh_error_handle (ShSuidchkSeverity,
	883	FIL__, __LINE__,
	884	0,
	885	MSG_SUID_QREPORT,
	886	_("Quarantine method applied"),
	887	tmp );
[253]	888	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	889	SH_FREE(tmp);
	890	}
	891	}
	892
	893	if (0 != (caperr = sl_drop_cap_qdel()))
	894	{
[253]	895	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	896	sh_error_handle((-1), FIL__, __LINE__,
	897	caperr, MSG_E_SUBGEN,
[132]	898	sh_error_message (caperr, errbuf, sizeof(errbuf)),
[94]	899	_("sl_drop_cap_qdel"));
[253]	900	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	901	}
	902
	903	if (file_d != -1)
	904	{
	905	do {
[252]	906	status = sl_close_fd (FIL__, __LINE__, file_d);
[94]	907	} while (status == -1 && errno == EINTR);
	908
	909	if (-1 == status)
	910	{
	911	status = errno;
	912	msg = SH_ALLOC(SH_BUFSIZE);
	913	tmp = sh_util_safe_name(fullpath);
	914
	915	(void) sl_snprintf(msg, SH_BUFSIZE,
	916	_("I/O error. errno = %ld"), status);
[253]	917	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	918	sh_error_handle (ShSuidchkSeverity,
	919	FIL__, __LINE__,
	920	status,
	921	MSG_SUID_QREPORT, msg,
	922	tmp );
[253]	923	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	924	SH_FREE(tmp);
	925	SH_FREE(msg);
	926	cperm_status = -1;
	927	}
	928	}
	929	return;
	930	}
	931
	932	static void report_file (const char * tmpcat, file_type * theFile,
	933	char * timestrc, char * timestra, char * timestrm)
	934	{
	935	char * msg = SH_ALLOC(SH_BUFSIZE);
	936	char * tmp = sh_util_safe_name(tmpcat);
	937
	938	msg[0] = '\0';
	939	/@-usedef@/
[132]	940
[94]	941	#ifdef SH_USE_XML
	942	(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\""),
	943	theFile->c_owner, theFile->owner,
	944	theFile->c_group, theFile->group,
	945	(unsigned long) theFile->size,
	946	timestrc, timestra, timestrm);
	947	#else
	948	(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>"),
	949	theFile->c_owner, theFile->owner,
	950	theFile->c_group, theFile->group,
	951	(unsigned long) theFile->size,
	952	timestrc, timestra, timestrm);
	953	#endif
	954	/@+usedef@/
	955
[253]	956	SH_MUTEX_LOCK(mutex_thread_nolog);
[94]	957	sh_error_handle (ShSuidchkSeverity, FIL__, __LINE__,
	958	0, MSG_SUID_POLICY,
	959	_("suid/sgid file not in database"),
	960	tmp, msg );
[253]	961	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[94]	962	SH_FREE(tmp);
	963	SH_FREE(msg);
	964	return;
	965	}
	966
[253]	967	/* This variable is not used anywhere. It only exists
	968	* to assign &dirlist to it, which keeps gcc from
	969	* putting it into a register, and avoids the 'clobbered
	970	* by longjmp' warning. And no, 'volatile' proved insufficient.
	971	*/
	972	static void * sh_dummy_dirlist = NULL;
	973	static void * sh_dummy_itmp = NULL;
	974
	975
[1]	976	static
	977	int sh_suidchk_check_internal (char * iname)
	978	{
	979	DIR * thisDir = NULL;
	980	struct dirent * thisEntry;
	981	char * tmpcat;
	982	char * tmp;
	983	char timestrc[32];
	984	char timestra[32];
	985	char timestrm[32];
	986	struct stat buf;
[253]	987	volatile int status;
[115]	988	int fflags;
[1]	989	char * fs;
[253]	990	volatile long sl_status;
[227]	991	file_type * theFile = NULL;
[19]	992	char fileHash[2*(KEY_LEN + 1)];
[1]	993
[170]	994	struct sh_dirent * dirlist;
	995	struct sh_dirent * dirlist_orig;
[132]	996	char errbuf[SH_ERRBUF_SIZE];
[22]	997
[1]	998	SL_ENTER(_("sh_suidchk_check_internal"));
	999
[253]	1000	/* Take the address to keep gcc from putting it into a register.
	1001	* Avoids the 'clobbered by longjmp' warning.
	1002	*/
	1003	sh_dummy_dirlist = (void*) &dirlist;
	1004	sh_dummy_itmp = (void*) &tmp;
	1005
[1]	1006	if (iname == NULL)
	1007	{
	1008	TPT((0, FIL__, __LINE__ , _("msg=<directory name is NULL>\n")));
	1009	SL_RETURN( (-1), _("sh_suidchk_check_internal"));
	1010	}
	1011
	1012	if (sig_urgent > 0) {
	1013	SL_RETURN( (0), _("sh_suidchk_check_internal"));
	1014	}
	1015
	1016	thisDir = opendir (iname);
	1017
	1018	if (thisDir == NULL)
	1019	{
	1020	status = errno;
	1021	tmp = sh_util_safe_name(iname);
[253]	1022	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1023	sh_error_handle (ShDFLevel[SH_ERR_T_DIR], FIL__, __LINE__, status,
	1024	MSG_E_OPENDIR,
[132]	1025	sh_error_message (status, errbuf, sizeof(errbuf)), tmp);
[253]	1026	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1027	SH_FREE(tmp);
	1028	SL_RETURN( (-1), _("sh_suidchk_check_internal"));
	1029	}
	1030
[94]	1031	/* Loop over directory entries
	1032	*/
[137]	1033	SH_MUTEX_LOCK(mutex_readdir);
[131]	1034
[170]	1035	dirlist = NULL;
	1036	dirlist_orig = NULL;
	1037
[1]	1038	do {
	1039
	1040	thisEntry = readdir (thisDir);
	1041
	1042	if (thisEntry != NULL) {
	1043
	1044	if (sl_strcmp (thisEntry->d_name, ".") == 0)
	1045	continue;
	1046
	1047	if (sl_strcmp (thisEntry->d_name, "..") == 0)
	1048	continue;
	1049
[131]	1050	dirlist = addto_sh_dirlist (thisEntry, dirlist);
	1051	}
[1]	1052
[131]	1053	} while (thisEntry != NULL);
[94]	1054
[137]	1055	SH_MUTEX_UNLOCK(mutex_readdir);
[94]	1056
[131]	1057	closedir(thisDir);
[1]	1058
[131]	1059	dirlist_orig = dirlist;
[1]	1060
[170]	1061	sl_status = SL_ENONE;
	1062
[131]	1063	do {
	1064
	1065	/* If the directory is empty, dirlist = NULL
	1066	*/
	1067	if (!dirlist)
	1068	break;
	1069
[143]	1070	if (sig_urgent > 0) {
	1071	SL_RETURN( (0), _("sh_suidchk_check_internal"));
	1072	}
	1073
[131]	1074	tmpcat = SH_ALLOC(PATH_MAX);
	1075	(void) sl_strlcpy(tmpcat, iname, PATH_MAX);
	1076
	1077	if ((sl_strlen(tmpcat) != sl_strlen(iname)) \|\| (tmpcat[0] == '\0'))
	1078	{
	1079	sl_status = SL_ETRUNC;
	1080	}
	1081	else
	1082	{
	1083	if (tmpcat[1] != '\0')
	1084	sl_status = sl_strlcat(tmpcat, "/", PATH_MAX);
	1085	}
	1086
	1087	if (! SL_ISERROR(sl_status))
	1088	sl_status = sl_strlcat(tmpcat, dirlist->sh_d_name, PATH_MAX);
	1089
	1090	if (SL_ISERROR(sl_status))
	1091	{
	1092	tmp = sh_util_safe_name(tmpcat);
[253]	1093	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1094	sh_error_handle ((-1), FIL__, __LINE__, (int) sl_status,
	1095	MSG_E_SUBGPATH,
	1096	_("path too long"),
	1097	_("sh_suidchk_check_internal"), tmp );
[253]	1098	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1099	SH_FREE(tmp);
[227]	1100	SH_FREE(tmpcat);
[131]	1101	dirlist = dirlist->next;
	1102	continue;
	1103	}
	1104
	1105	++FileLimNum;
	1106	++FileLimTotal;
	1107
	1108	/* Rate limit (Fps == Files per second)
	1109	*/
	1110	if ((ShSuidchkFps > 0 && FileLimNum > ShSuidchkFps && FileLimTotal > 0)&&
	1111	(ShSuidchkYield == S_FALSE))
	1112	{
	1113	FileLimNum = 0;
	1114	FileLimNow = time(NULL);
	1115
	1116	if ( (FileLimNow - FileLimStart) > 0 &&
	1117	FileLimTotal/(FileLimNow - FileLimStart) > ShSuidchkFps )
	1118	(void) retry_msleep((int)((FileLimTotal/(FileLimNow-FileLimStart))/
	1119	ShSuidchkFps) , 0);
	1120	}
[1]	1121
[131]	1122	status = (int) retry_lstat(FIL__, __LINE__, tmpcat, &buf);
[1]	1123
[131]	1124	if (status != 0)
	1125	{
[253]	1126	volatile int elevel = SH_ERR_ERR;
[252]	1127	size_t tlen;
	1128
[131]	1129	status = errno;
	1130	tmp = sh_util_safe_name(tmpcat);
[252]	1131	tlen = strlen(tmp);
	1132	if (tlen >= 6 && 0 == strcmp(&tmp[tlen-6], _("/.gvfs")))
	1133	elevel = SH_ERR_NOTICE;
[253]	1134	SH_MUTEX_LOCK(mutex_thread_nolog);
[252]	1135	sh_error_handle (elevel, FIL__, __LINE__, status, MSG_ERR_LSTAT,
[132]	1136	sh_error_message(status, errbuf, sizeof(errbuf)),
[252]	1137	tmp );
[253]	1138	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1139	SH_FREE(tmp);
	1140	}
	1141	else
	1142	{
	1143	if (/@-usedef@/S_ISDIR(buf.st_mode)/@+usedef@/ &&
	1144	(ShSuidchkExclude == NULL \|\|
	1145	0 != strcmp(tmpcat, ShSuidchkExclude)))
	1146	{
	1147	/* fs is a STATIC string or NULL
	1148	*/
	1149	fs = filesystem_type (tmpcat, tmpcat, &buf);
	1150	if (fs != NULL
[30]	1151	#ifndef SH_SUIDTESTDIR
[131]	1152	&&
	1153	0 != strncmp (_("afs"), fs, 3) &&
	1154	0 != strncmp (_("devfs"), fs, 5) &&
[231]	1155	0 != strncmp (_("fdesc"), fs, 5) &&
[131]	1156	0 != strncmp (_("iso9660"), fs, 7) &&
[231]	1157	0 != strncmp (_("cd9660"), fs, 6) &&
[131]	1158	0 != strncmp (_("lustre"), fs, 6) &&
	1159	0 != strncmp (_("mmfs"), fs, 4) &&
	1160	0 != strncmp (_("msdos"), fs, 5) &&
	1161	0 != strncmp (_("nfs"), fs, 3) &&
	1162	0 != strncmp (_("proc"), fs, 4) &&
[231]	1163	0 != strncmp (_("sysfs"), fs, 5) &&
[131]	1164	0 != strncmp (_("vfat"), fs, 4)
[30]	1165	#endif
[131]	1166	)
	1167	{
	1168	if ((ShSuidchkNosuid == S_TRUE) \|\|
	1169	(0 != strncmp (_("nosuid"), fs, 6)))
	1170	/* fprintf(stderr, "%s: %s\n", fs, tmpcat); */
	1171	(void) sh_suidchk_check_internal(tmpcat);
	1172	}
	1173	}
	1174	else if (S_ISREG(buf.st_mode) &&
	1175	(0 !=(S_ISUID & buf.st_mode) \|\|
[1]	1176	#if defined(HOST_IS_LINUX)
[131]	1177	(0 !=(S_ISGID & buf.st_mode) &&
	1178	0 !=(S_IXGRP & buf.st_mode))
[1]	1179	#else
[131]	1180	0 !=(S_ISGID & buf.st_mode)
[1]	1181	#endif
[131]	1182	)
	1183	)
	1184	{
[227]	1185	theFile = SH_ALLOC(sizeof(file_type));
	1186
	1187	(void) sl_strlcpy (theFile->fullpath, tmpcat, PATH_MAX);
	1188	theFile->check_mask = sh_files_maskof(SH_LEVEL_READONLY);
	1189	CLEAR_SH_FFLAG_REPORTED(theFile->file_reported);
	1190	theFile->attr_string = NULL;
	1191	theFile->link_path = NULL;
[131]	1192
	1193	status = sh_unix_getinfo (ShDFLevel[SH_ERR_T_RO],
[138]	1194	dirlist->sh_d_name,
[227]	1195	theFile, fileHash, 0);
[131]	1196
	1197	tmp = sh_util_safe_name(tmpcat);
	1198
	1199	if (status != 0)
	1200	{
[253]	1201	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1202	sh_error_handle (ShSuidchkSeverity, FIL__, __LINE__,
	1203	0, MSG_E_SUBGPATH,
	1204	_("Could not check suid/sgid file"),
	1205	_("sh_suidchk_check_internal"),
	1206	tmp);
[253]	1207	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1208	}
	1209	else
	1210	{
	1211
	1212	if ( sh.flag.update == S_TRUE &&
	1213	(sh.flag.checkSum == SH_CHECK_INIT \|\|
	1214	sh.flag.checkSum == SH_CHECK_CHECK))
	1215	{
[253]	1216	int compret;
	1217
[131]	1218	/* Updating database. Report new files that
	1219	* are not in database already. Then compare
	1220	* to database and report changes.
	1221	*/
	1222	if (-1 == sh_hash_have_it (tmpcat))
	1223	{
[253]	1224	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1225	sh_error_handle ((-1), FIL__, __LINE__,
	1226	0, MSG_SUID_FOUND, tmp );
[253]	1227	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1228	}
	1229	else
	1230	{
[253]	1231	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1232	sh_error_handle (SH_ERR_ALL, FIL__, __LINE__,
	1233	0, MSG_SUID_FOUND, tmp );
[253]	1234	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1235	}
	1236
[253]	1237	SH_MUTEX_LOCK(mutex_thread_nolog);
	1238	compret = sh_hash_compdata (SH_LEVEL_READONLY,
	1239	theFile, fileHash,
	1240	_("[SuidCheck]"),
	1241	ShSuidchkSeverity);
	1242	SH_MUTEX_UNLOCK(mutex_thread_nolog);
	1243
	1244	if (compret == 0)
[131]	1245	{
[253]	1246	sh_hash_pushdata_memory (theFile, fileHash); /* no call to sh_error_handle */
[131]	1247	}
	1248
[253]	1249	sh_hash_addflag(tmpcat, SH_FFLAG_SUIDCHK); /* no call to sh_error_handle */
[131]	1250
	1251	}
	1252
	1253	else if (sh.flag.checkSum == SH_CHECK_INIT &&
	1254	sh.flag.update == S_FALSE )
	1255	{
	1256	/* Running init. Report on files detected.
	1257	*/
[253]	1258	sh_hash_pushdata (theFile, fileHash); /* no call to sh_error_handle */
	1259	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1260	sh_error_handle ((-1), FIL__, __LINE__,
	1261	0, MSG_SUID_FOUND, tmp );
[253]	1262	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1263	}
	1264
	1265	else if (sh.flag.checkSum == SH_CHECK_CHECK )
	1266	{
	1267	/* Running file check. Report on new files
	1268	* detected, and quarantine them.
	1269	*/
[253]	1270	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1271	sh_error_handle (SH_ERR_ALL, FIL__, __LINE__,
	1272	0, MSG_SUID_FOUND, tmp );
[253]	1273	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1274
[253]	1275	fflags = sh_hash_getflags(tmpcat); /* no call to sh_error_handle */
[131]	1276
	1277	if ( (-1 == fflags) \|\| (!SH_FFLAG_SUIDCHK_SET(fflags)))
	1278	{
	1279	if (-1 == fflags)
[132]	1280	{
[227]	1281	(void) sh_unix_gmttime (theFile->ctime, timestrc, sizeof(timestrc));
	1282	(void) sh_unix_gmttime (theFile->atime, timestra, sizeof(timestra));
	1283	(void) sh_unix_gmttime (theFile->mtime, timestrm, sizeof(timestrm));
[132]	1284
[227]	1285	report_file(tmpcat, theFile, timestrc, timestra, timestrm);
[132]	1286	}
[131]	1287	/* Quarantine file according to configured method
	1288	*/
	1289	if (ShSuidchkQEnable == S_TRUE)
	1290	{
	1291	switch (ShSuidchkQMethod)
	1292	{
	1293	case SH_Q_DELETE:
[227]	1294	sh_q_delete(theFile->fullpath);
[131]	1295	break;
	1296	case SH_Q_CHANGEPERM:
[227]	1297	sh_q_changeperm(theFile->fullpath);
[131]	1298	break;
	1299	case SH_Q_MOVE:
[227]	1300	sh_q_move(theFile->fullpath, theFile, timestrc, timestra, timestrm);
[131]	1301	break;
	1302	default:
[253]	1303	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1304	sh_error_handle (ShSuidchkSeverity, FIL__,
	1305	__LINE__, 0, MSG_SUID_QREPORT,
	1306	_("Bad quarantine method"), tmp);
[253]	1307	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1308	break;
	1309	}
	1310	}
	1311	else
	1312	{
	1313	/* 1.8.1 push file to in-memory database
	1314	*/
[253]	1315	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1316	(void) sh_hash_compdata (SH_LEVEL_READONLY,
[227]	1317	theFile, fileHash,
[131]	1318	_("[SuidCheck]"),
	1319	ShSuidchkSeverity);
[253]	1320	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[131]	1321
[253]	1322	sh_hash_addflag(tmpcat, SH_FFLAG_SUIDCHK); /* no call to sh_error_handle */
[131]	1323
	1324	}
	1325	}
	1326	else
	1327	{
	1328	/* File exists. Check for modifications.
	1329	*/
[253]	1330	SH_MUTEX_LOCK(mutex_thread_nolog);
[131]	1331	(void) sh_hash_compdata (SH_LEVEL_READONLY,
[227]	1332	theFile, fileHash,
[131]	1333	_("[SuidCheck]"),
	1334	ShSuidchkSeverity);
[253]	1335	SH_MUTEX_UNLOCK(mutex_thread_nolog);
	1336	sh_hash_addflag(tmpcat, SH_FFLAG_SUIDCHK); /* no call to sh_error_handle */
[131]	1337
	1338	}
	1339	}
	1340	}
	1341	SH_FREE(tmp);
[227]	1342	if (theFile->attr_string) SH_FREE(theFile->attr_string);
	1343	if (theFile->link_path) SH_FREE(theFile->link_path);
	1344	SH_FREE(theFile);
[131]	1345	}
	1346	}
	1347	SH_FREE(tmpcat);
[115]	1348
[131]	1349
[1]	1350	#ifdef HAVE_SCHED_YIELD
	1351	if (ShSuidchkYield == S_TRUE)
	1352	{
	1353	if (sched_yield() == -1)
	1354	{
	1355	status = errno;
[253]	1356	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1357	sh_error_handle ((-1), FIL__, __LINE__, status, MSG_E_SUBGEN,
[131]	1358	_("Failed to release time slice"),
[1]	1359	_("sh_suidchk_check_internal") );
[253]	1360	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1361	}
	1362	}
	1363	#endif
[131]	1364
	1365	dirlist = dirlist->next;
[68]	1366
[131]	1367	} while (dirlist != NULL);
[1]	1368
[131]	1369
	1370	kill_sh_dirlist (dirlist_orig);
	1371
[1]	1372	SL_RETURN( (0), _("sh_suidchk_check_internal"));
	1373	}
	1374
	1375	/*************
	1376	*
	1377	* module init
	1378	*
	1379	*************/
[140]	1380	int sh_suidchk_init (struct mod_type * arg)
[1]	1381	{
[253]	1382	#ifndef HAVE_PTHREAD
[140]	1383	(void) arg;
[253]	1384	#endif
	1385
[1]	1386	if (ShSuidchkActive == S_FALSE)
[253]	1387	return SH_MOD_FAILED;
[1]	1388
[253]	1389	#ifdef HAVE_PTHREAD
	1390	if (arg != NULL && arg->initval < 0 &&
	1391	(sh.flag.isdaemon == S_TRUE \|\| sh.flag.loop == S_TRUE))
	1392	{
	1393	if (0 == sh_pthread_create(sh_threaded_module_run, (void *)arg))
	1394	return SH_MOD_THREAD;
	1395	else
	1396	return SH_MOD_FAILED;
	1397	}
	1398	#endif
	1399
[1]	1400	return (0);
	1401	}
	1402
	1403
	1404	/*************
	1405	*
	1406	* module cleanup
	1407	*
	1408	*************/
	1409	int sh_suidchk_end ()
	1410	{
	1411	return (0);
	1412	}
	1413
	1414
	1415	/*************
	1416	*
	1417	* module timer
	1418	*
	1419	*************/
	1420	int sh_suidchk_timer (time_t tcurrent)
	1421	{
	1422	if (sh.flag.checkSum == SH_CHECK_INIT)
	1423	return -1;
	1424
	1425	/* One-shot (not daemon and not loop forever)
	1426	*/
	1427	if (sh.flag.isdaemon != S_TRUE && sh.flag.loop == S_FALSE)
	1428	return -1;
	1429
	1430	if (ShSuidchkSched != NULL)
	1431	{
	1432	return test_sched(ShSuidchkSched);
	1433	}
	1434	if ((time_t) (tcurrent - lastcheck) >= ShSuidchkInterval)
	1435	{
	1436	lastcheck = tcurrent;
	1437	return (-1);
	1438	}
	1439	return 0;
	1440	}
	1441
	1442	/*************
	1443	*
	1444	* module check
	1445	*
	1446	*************/
	1447
	1448	int sh_suidchk_check ()
	1449	{
[253]	1450	volatile int status;
[1]	1451
	1452	SL_ENTER(_("sh_suidchk_check"));
	1453
[253]	1454	if (ShSuidchkActive == S_FALSE)
	1455	SL_RETURN(-1, _("sh_suidchk_check"));
	1456
	1457	SH_MUTEX_LOCK(mutex_thread_nolog);
[257]	1458	sh_error_handle (SH_ERR_INFO, FIL__, __LINE__, EINVAL, MSG_E_SUBGEN,
[1]	1459	_("Checking for SUID programs"),
[257]	1460	_("sh_suidchk_check") );
[253]	1461	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1462
	1463	FileLimNow = time(NULL);
	1464	FileLimStart = FileLimNow;
	1465	FileLimNum = 0;
	1466	FileLimTotal = 0;
	1467
[22]	1468	#ifdef SH_SUIDTESTDIR
	1469	status = sh_suidchk_check_internal (SH_SUIDTESTDIR);
	1470	#else
[1]	1471	status = sh_suidchk_check_internal ("/");
[22]	1472	#endif
[1]	1473
[253]	1474	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1475	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_SUID_SUMMARY,
	1476	FileLimTotal,
	1477	(long) (time(NULL) - FileLimStart) );
[253]	1478	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1479
	1480	SL_RETURN(status, _("sh_suidchk_check"));
	1481	}
	1482
	1483	/*************
	1484	*
	1485	* module setup
	1486	*
	1487	*************/
	1488
[68]	1489	int sh_suidchk_set_severity (const char * c)
[1]	1490	{
	1491	int retval;
	1492	char tmp[32];
	1493
	1494	SL_ENTER(_("sh_suidchk_set_severity"));
	1495	tmp[0] = '='; tmp[1] = '\0';
	1496	(void) sl_strlcat (tmp, c, 32);
	1497	retval = sh_error_set_level (tmp, &ShSuidchkSeverity);
	1498	SL_RETURN(retval, _("sh_suidchk_set_severity"));
	1499	}
	1500
[68]	1501	int sh_suidchk_set_exclude (const char * c)
[1]	1502	{
	1503	SL_ENTER(_("sh_suidchk_set_exclude"));
[68]	1504
[1]	1505	if (c == NULL \|\| c[0] == '\0')
	1506	{
	1507	SL_RETURN(-1, _("sh_suidchk_set_exclude"));
	1508	}
	1509
	1510	if (0 == sl_strncmp(c, _("NULL"), 4))
	1511	{
	1512	if (ShSuidchkExclude != NULL)
	1513	SH_FREE(ShSuidchkExclude);
	1514	ShSuidchkExclude = NULL;
	1515	SL_RETURN(0, _("sh_suidchk_set_exclude"));
	1516	}
	1517
	1518	if (ShSuidchkExclude != NULL)
	1519	SH_FREE(ShSuidchkExclude);
	1520
[68]	1521	ShSuidchkExclude = sh_util_strdup (c);
	1522	ExcludeLen = sl_strlen (ShSuidchkExclude);
	1523	if (ShSuidchkExclude[ExcludeLen-1] == '/')
[1]	1524	{
[68]	1525	ShSuidchkExclude[ExcludeLen-1] = '\0';
[55]	1526	ExcludeLen--;
[1]	1527	}
	1528	SL_RETURN(0, _("sh_suidchk_set_exclude"));
	1529	}
	1530
[68]	1531	int sh_suidchk_set_timer (const char * c)
[1]	1532	{
[253]	1533	volatile long val;
[1]	1534
	1535	SL_ENTER(_("sh_suidchk_set_timer"));
	1536
	1537	val = strtol (c, (char **)NULL, 10);
	1538	if (val <= 0)
[253]	1539	{
	1540	SH_MUTEX_LOCK(mutex_thread_nolog);
	1541	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	1542	_("suidchk timer"), c);
	1543	SH_MUTEX_UNLOCK(mutex_thread_nolog);
	1544	}
[1]	1545	val = (val <= 0 ? 7200 : val);
	1546
	1547	ShSuidchkInterval = (time_t) val;
	1548	SL_RETURN( 0, _("sh_suidchk_set_timer"));
	1549	}
	1550
	1551
[170]	1552	static void sh_suidchk_free_schedule (void)
[1]	1553	{
	1554	sh_schedule_t * current = ShSuidchkSched;
	1555	sh_schedule_t * next = NULL;
	1556
	1557	while (current != NULL)
	1558	{
	1559	next = current->next;
	1560	SH_FREE(current);
	1561	current = next;
	1562	}
	1563	ShSuidchkSched = NULL;
[149]	1564	return;
[1]	1565	}
	1566
[149]	1567	int sh_suidchk_reconf ()
	1568	{
[253]	1569	SH_MUTEX_LOCK(mutex_suid_check);
[149]	1570	sh_suidchk_free_schedule();
	1571	set_defaults();
[253]	1572	SH_MUTEX_UNLOCK(mutex_suid_check);
[150]	1573	return 0;
[149]	1574	}
	1575
[68]	1576	int sh_suidchk_set_schedule (const char * str)
[1]	1577	{
	1578	int status;
	1579	sh_schedule_t * newSched = NULL;
	1580
	1581	SL_ENTER(_("sh_suidchk_set_schedule"));
	1582
	1583	/*
	1584	if (ShSuidchkSched != NULL)
	1585	{
	1586	SH_FREE(ShSuidchkSched);
	1587	ShSuidchkSched = NULL;
	1588	}
	1589	*/
	1590
	1591	if (0 == sl_strncmp(str, _("NULL"), 4))
	1592	{
	1593	(void) sh_suidchk_free_schedule ();
	1594	return 0;
	1595	}
	1596
	1597	newSched = SH_ALLOC(sizeof(sh_schedule_t));
	1598	status = create_sched(str, newSched);
	1599	if (status != 0)
	1600	{
	1601	SH_FREE(newSched);
	1602	newSched = NULL;
	1603	}
	1604	else
	1605	{
	1606	newSched->next = ShSuidchkSched;
	1607	ShSuidchkSched = newSched;
	1608	}
	1609	SL_RETURN( status, _("sh_suidchk_set_schedule"));
	1610	}
	1611
	1612
	1613
[68]	1614	int sh_suidchk_set_fps (const char * c)
[1]	1615	{
[253]	1616	volatile long val;
[1]	1617
	1618	SL_ENTER(_("sh_suidchk_set_fps"));
	1619
	1620	val = strtol (c, (char **)NULL, 10);
	1621	if (val < 0)
[253]	1622	{
	1623	SH_MUTEX_LOCK(mutex_thread_nolog);
	1624	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	1625	_("suidchk fps"), c);
	1626	SH_MUTEX_UNLOCK(mutex_thread_nolog);
	1627	}
[1]	1628	val = (val < 0 ? 0 : val);
	1629
	1630	ShSuidchkFps = val;
	1631	SL_RETURN( 0, _("sh_suidchk_set_fps"));
	1632	}
	1633
[68]	1634	int sh_suidchk_set_yield (const char * c)
[1]	1635	{
	1636	int i;
	1637	SL_ENTER(_("sh_suidchk_set_yield"));
	1638	#ifdef HAVE_SCHED_YIELD
	1639	i = sh_util_flagval(c, &ShSuidchkYield);
	1640	#else
	1641	(void) c; /* cast to void to avoid compiler warning */
	1642	i = -1;
	1643	#endif
	1644	SL_RETURN(i, _("sh_suidchk_set_yield"));
	1645	}
	1646
[68]	1647	int sh_suidchk_set_activate (const char * c)
[1]	1648	{
	1649	int i;
	1650	SL_ENTER(_("sh_suidchk_set_activate"));
	1651	i = sh_util_flagval(c, &ShSuidchkActive);
	1652	SL_RETURN(i, _("sh_suidchk_set_activate"));
	1653	}
	1654
[119]	1655	int sh_suidchk_set_nosuid (const char * c)
	1656	{
	1657	int i;
	1658	SL_ENTER(_("sh_suidchk_set_nosuid"));
	1659	i = sh_util_flagval(c, &ShSuidchkNosuid);
	1660	SL_RETURN(i, _("sh_suidchk_set_nosuid"));
	1661	}
	1662
[68]	1663	int sh_suidchk_set_quarantine (const char * c)
[1]	1664	{
	1665	int i;
	1666	SL_ENTER(_("sh_suidchk_set_quarantine"));
	1667	i = sh_util_flagval(c, &ShSuidchkQEnable);
	1668	SL_RETURN(i, _("sh_suidchk_set_quarantine"));
	1669	}
	1670
[68]	1671	int sh_suidchk_set_qdelete (const char * c)
[1]	1672	{
	1673	int i;
	1674	SL_ENTER(_("sh_suidchk_set_qdelete"));
	1675	i = sh_util_flagval(c, &ShSuidchkQDelete);
	1676	SL_RETURN(i, _("sh_suidchk_set_qdelete"));
	1677	}
	1678
[68]	1679	int sh_suidchk_set_qmethod (const char * c)
[1]	1680	{
[253]	1681	volatile long val;
	1682	volatile int ret = 0;
[22]	1683	struct stat buf;
[1]	1684
	1685	SL_ENTER(_("sh_suidchk_set_qmethod"));
	1686
	1687	val = strtol (c, (char **)NULL, 10);
	1688	if (val < 0)
	1689	{
[253]	1690	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1691	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	1692	_("suidchk qmethod"), c);
[253]	1693	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1694	ret = -1;
	1695	}
	1696	else
	1697	{
	1698	switch (val)
	1699	{
	1700	case SH_Q_DELETE:
	1701	ShSuidchkQMethod = SH_Q_DELETE;
	1702	break;
	1703	case SH_Q_CHANGEPERM:
	1704	ShSuidchkQMethod = SH_Q_CHANGEPERM;
	1705	break;
	1706	case SH_Q_MOVE:
[22]	1707	if (retry_stat (FIL__, __LINE__, DEFAULT_QDIR, &buf) != 0)
[1]	1708	{
	1709	if (mkdir (DEFAULT_QDIR, 0750) == -1)
	1710	{
[253]	1711	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1712	sh_error_handle ((-1), FIL__, __LINE__, EINVAL,
	1713	MSG_SUID_ERROR,
	1714	_("Unable to create quarantine directory"));
[253]	1715	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1716	}
	1717	}
	1718	ShSuidchkQMethod = SH_Q_MOVE;
	1719	break;
	1720	default:
[253]	1721	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	1722	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	1723	_("suidchk qmethod"), c);
[253]	1724	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	1725	ShSuidchkQMethod = -1;
	1726	ret = -1;
	1727	break;
	1728	}
	1729	}
	1730
	1731	SL_RETURN( ret, _("sh_suidchk_set_qmethod"));
	1732	}
	1733
	1734	#if defined(FSTYPE_STATFS) \|\| defined(FSTYPE_AIX_STATFS)
	1735	/* dirname.c -- return all but the last element in a path
	1736	Copyright (C) 1990 Free Software Foundation, Inc.
	1737
	1738	This program is free software; you can redistribute it and/or modify
	1739	it under the terms of the GNU General Public License as published by
	1740	the Free Software Foundation; either version 2, or (at your option)
	1741	any later version.
	1742
	1743	This program is distributed in the hope that it will be useful,
	1744	but WITHOUT ANY WARRANTY; without even the implied warranty of
	1745	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	1746	GNU General Public License for more details.
	1747
	1748	You should have received a copy of the GNU General Public License
	1749	along with this program; if not, write to the Free Software Foundation,
	1750	Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	1751
	1752	/* Return the leading directories part of PATH,
	1753	allocated with malloc. If out of memory, return 0.
	1754	Assumes that trailing slashes have already been
	1755	removed. */
	1756
	1757	char * sh_dirname (const char * path)
	1758	{
	1759	char *newpath;
	1760	char *slash;
	1761	int length; /* Length of result, not including NUL. */
	1762
	1763	slash = strrchr (path, '/');
	1764	if (slash == NULL)
	1765	{
	1766	/* File is in the current directory. */
	1767	path = ".";
	1768	length = 1;
	1769	}
	1770	else
	1771	{
	1772	/* Remove any trailing slashes from the result. */
	1773	while (slash > path && *slash == '/')
	1774	--slash;
	1775
	1776	length = slash - path + 1;
	1777	}
	1778	newpath = (char *) SH_ALLOC (length + 1);
	1779	if (newpath == NULL)
	1780	return NULL;
	1781	strncpy (newpath, path, length);
	1782	newpath[length] = '\0';
	1783	return newpath;
	1784	}
	1785	/* #ifdef FSTYPE_STATFS */
	1786	#endif
	1787
	1788	/* fstype.c -- determine type of filesystems that files are on
	1789	Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
	1790
	1791	This program is free software; you can redistribute it and/or modify
	1792	it under the terms of the GNU General Public License as published by
	1793	the Free Software Foundation; either version 2, or (at your option)
	1794	any later version.
	1795
	1796	This program is distributed in the hope that it will be useful,
	1797	but WITHOUT ANY WARRANTY; without even the implied warranty of
	1798	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	1799	GNU General Public License for more details.
	1800
	1801	You should have received a copy of the GNU General Public License
	1802	along with this program; if not, write to the Free Software
	1803	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	1804
	1805	/* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */
	1806
	1807	/* Modified by R. Wichmann:
	1808	- replaced error() by sh_error_handle()
	1809	- replaced xstrdup() by sl_strdup()
	1810	- replaced strstr() by sl_strstr()
	1811	- some additions to recognize nosuid fs
	1812	*/
	1813
	1814	/* modetype.h -- file type bits definitions for POSIX systems
	1815	Requires sys/types.h sys/stat.h.
	1816	Copyright (C) 1990 Free Software Foundation, Inc.
	1817
	1818	This program is free software; you can redistribute it and/or modify
	1819	it under the terms of the GNU General Public License as published by
	1820	the Free Software Foundation; either version 2, or (at your option)
	1821	any later version.
	1822
	1823	This program is distributed in the hope that it will be useful,
	1824	but WITHOUT ANY WARRANTY; without even the implied warranty of
	1825	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	1826	GNU General Public License for more details.
	1827
	1828	You should have received a copy of the GNU General Public License
	1829	along with this program; if not, write to the Free Software
	1830	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	1831
	1832	/* POSIX.1 doesn't mention the S_IFMT bits; instead, it uses S_IStype
	1833	test macros. To make storing file types more convenient, define
	1834	them; the values don't need to correspond to what the kernel uses,
	1835	because of the way we use them. */
	1836	#ifndef S_IFMT /* Doesn't have traditional Unix macros. */
	1837	#define S_IFBLK 1
	1838	#define S_IFCHR 2
	1839	#define S_IFDIR 4
	1840	#define S_IFREG 8
	1841	#ifdef S_ISLNK
	1842	#define S_IFLNK 16
	1843	#endif
	1844	#ifdef S_ISFIFO
	1845	#define S_IFIFO 32
	1846	#endif
	1847	#ifdef S_ISSOCK
	1848	#define S_IFSOCK 64
	1849	#endif
	1850	#endif /* !S_IFMT */
	1851
	1852	#ifdef STAT_MACROS_BROKEN
	1853	#undef S_ISBLK
	1854	#undef S_ISCHR
	1855	#undef S_ISDIR
	1856	#undef S_ISREG
	1857	#undef S_ISFIFO
	1858	#undef S_ISLNK
	1859	#undef S_ISSOCK
	1860	#undef S_ISMPB
	1861	#undef S_ISMPC
	1862	#undef S_ISNWK
	1863	#endif
	1864
	1865	/* Do the reverse: define the POSIX.1 macros for traditional Unix systems
	1866	that don't have them. */
	1867	#if !defined(S_ISBLK) && defined(S_IFBLK)
	1868	#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
	1869	#endif
	1870	#if !defined(S_ISCHR) && defined(S_IFCHR)
	1871	#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
	1872	#endif
	1873	#if !defined(S_ISDIR) && defined(S_IFDIR)
	1874	#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
	1875	#endif
	1876	#if !defined(S_ISREG) && defined(S_IFREG)
	1877	#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
	1878	#endif
	1879	#if !defined(S_ISFIFO) && defined(S_IFIFO)
	1880	#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
	1881	#endif
	1882	#if !defined(S_ISLNK) && defined(S_IFLNK)
	1883	#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
	1884	#endif
	1885	#if !defined(S_ISSOCK) && defined(S_IFSOCK)
	1886	#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
	1887	#endif
	1888	#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
	1889	#define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
	1890	#define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
	1891	#endif
	1892	#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
	1893	#define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
	1894	#endif
	1895
	1896
	1897	static char filesystem_type_uncached (char path, char *relpath,
	1898	struct stat *statp);
	1899
	1900	#ifdef FSTYPE_MNTENT /* 4.3BSD etc. */
[199]	1901	static int xatoi (const char *cp);
[1]	1902	#endif
	1903
	1904	#ifdef FSTYPE_MNTENT /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */
	1905	#include <mntent.h>
	1906	#if !defined(MOUNTED)
	1907	# if defined(MNT_MNTTAB) /* HP-UX. */
	1908	# define MOUNTED MNT_MNTTAB
	1909	# endif
	1910	# if defined(MNTTABNAME) /* Dynix. */
	1911	# define MOUNTED MNTTABNAME
	1912	# endif
	1913	#endif
	1914	#endif
	1915
	1916	#ifdef FSTYPE_GETMNT /* Ultrix. */
	1917	#include <sys/param.h>
	1918	#include <sys/mount.h>
	1919	#include <sys/fs_types.h>
	1920	#endif
	1921
	1922	#ifdef FSTYPE_USG_STATFS /* SVR3. */
	1923	#include <sys/statfs.h>
	1924	#include <sys/fstyp.h>
	1925	#endif
	1926
	1927	#ifdef FSTYPE_STATVFS /* SVR4. */
	1928	#include <sys/statvfs.h>
	1929	#include <sys/fstyp.h>
	1930	#endif
	1931
	1932	#ifdef FSTYPE_STATFS /* 4.4BSD. */
	1933	#include <sys/param.h> /* NetBSD needs this. */
	1934	#include <sys/mount.h>
	1935
	1936	#ifndef MFSNAMELEN /* NetBSD defines this. */
	1937	static char *
	1938	fstype_to_string (t)
	1939	short t;
	1940	{
	1941	#ifdef INITMOUNTNAMES /* Defined in 4.4BSD, not in NET/2. */
	1942	static char *mn[] = INITMOUNTNAMES;
	1943	if (t >= 0 && t <= MOUNT_MAXTYPE)
	1944	return mn[t];
	1945	else
	1946	return "?";
	1947	#else /* !INITMOUNTNAMES */
	1948	switch (t)
	1949	{
[231]	1950	#ifdef MOUNT_UFS
[1]	1951	case MOUNT_UFS:
	1952	return _("ufs");
[231]	1953	#endif
	1954	#ifdef MOUNT_ISO9660
	1955	case MOUNT_ISO9660:
	1956	return _("iso9660fs");
	1957	#endif
	1958	#ifdef MOUNT_CD9660
	1959	case MOUNT_CD9660:
	1960	return _("cd9660");
	1961	#endif
	1962	#ifdef MOUNT_NFS
[1]	1963	case MOUNT_NFS:
	1964	return _("nfs");
[231]	1965	#endif
[1]	1966	#ifdef MOUNT_PC
	1967	case MOUNT_PC:
	1968	return _("pc");
	1969	#endif
	1970	#ifdef MOUNT_MFS
	1971	case MOUNT_MFS:
	1972	return _("mfs");
	1973	#endif
	1974	#ifdef MOUNT_LO
	1975	case MOUNT_LO:
	1976	return _("lofs");
	1977	#endif
	1978	#ifdef MOUNT_TFS
	1979	case MOUNT_TFS:
	1980	return _("tfs");
	1981	#endif
	1982	#ifdef MOUNT_TMP
	1983	case MOUNT_TMP:
	1984	return _("tmp");
	1985	#endif
	1986	#ifdef MOUNT_MSDOS
	1987	case MOUNT_MSDOS:
	1988	return _("msdos");
	1989	#endif
[231]	1990	#ifdef MOUNT_LFS
	1991	case MOUNT_LFS:
	1992	return _("lfs");
[1]	1993	#endif
[231]	1994	#ifdef MOUNT_LOFS
	1995	case MOUNT_LOFS:
	1996	return _("lofs");
	1997	#endif
	1998	#ifdef MOUNT_FDESC
	1999	case MOUNT_FDESC:
	2000	return _("fdesc");
	2001	#endif
	2002	#ifdef MOUNT_PORTAL
	2003	case MOUNT_PORTAL:
	2004	return _("portal");
	2005	#endif
	2006	#ifdef MOUNT_NULL
	2007	case MOUNT_NULL:
	2008	return _("null");
	2009	#endif
	2010	#ifdef MOUNT_UMAP
	2011	case MOUNT_UMAP:
	2012	return _("umap");
	2013	#endif
	2014	#ifdef MOUNT_KERNFS
	2015	case MOUNT_KERNFS:
	2016	return _("kernfs");
	2017	#endif
	2018	#ifdef MOUNT_PROCFS
	2019	case MOUNT_PROCFS:
	2020	return _("procfs");
	2021	#endif
	2022	#ifdef MOUNT_DEVFS
	2023	case MOUNT_DEVFS:
	2024	return _("devfs");
	2025	#endif
	2026	#ifdef MOUNT_EXT2FS
	2027	case MOUNT_EXT2FS:
	2028	return _("ext2fs");
	2029	#endif
	2030	#ifdef MOUNT_UNION
	2031	case MOUNT_UNION:
	2032	return _("union");
	2033	#endif
[1]	2034	default:
	2035	return "?";
	2036	}
	2037	#endif /* !INITMOUNTNAMES */
	2038	}
	2039	#endif /* !MFSNAMELEN */
	2040	#endif /* FSTYPE_STATFS */
	2041
	2042	#ifdef FSTYPE_AIX_STATFS /* AIX. */
	2043	#include <sys/vmount.h>
	2044	#include <sys/statfs.h>
	2045
	2046	#define FSTYPE_STATFS /* Otherwise like 4.4BSD. */
	2047	#define f_type f_vfstype
	2048
	2049	static char *
	2050	fstype_to_string (t)
	2051	short t;
	2052	{
	2053	switch (t)
	2054	{
	2055	case MNT_AIX:
	2056	return _("aix"); /* AIX 4.3: NFS filesystems are actually MNT_AIX. */
	2057	#ifdef MNT_NAMEFS
	2058	case MNT_NAMEFS:
	2059	return _("namefs");
	2060	#endif
	2061	case MNT_NFS:
	2062	return _("nfs");
	2063	case MNT_JFS:
	2064	return _("jfs");
	2065	case MNT_CDROM:
	2066	return _("cdrom");
	2067	#ifdef MNT_PROCFS
	2068	case MNT_PROCFS:
	2069	return _("procfs");
	2070	#endif
	2071	#ifdef MNT_SFS
	2072	case MNT_SFS:
	2073	return _("sfs");
	2074	#endif
	2075	#ifdef MNT_CACHEFS
	2076	case MNT_CACHEFS:
	2077	return _("cachefs");
	2078	#endif
	2079	#ifdef MNT_NFS3
	2080	case MNT_NFS3:
	2081	return _("nfs3");
	2082	#endif
	2083	#ifdef MNT_AUTOFS
	2084	case MNT_AUTOFS:
	2085	return _("autofs");
	2086	#endif
	2087	#ifdef MNT_VXFS
	2088	case MNT_VXFS:
	2089	return _("vxfs");
	2090	#endif
	2091	#ifdef MNT_VXODM
	2092	case MNT_VXODM:
	2093	return _("veritasfs");
	2094	#endif
	2095	#ifdef MNT_UDF
	2096	case MNT_UDF:
	2097	return _("udfs");
	2098	#endif
	2099	#ifdef MNT_NFS4
	2100	case MNT_NFS4:
	2101	return _("nfs4");
	2102	#endif
	2103	#ifdef MNT_RFS4
	2104	case MNT_RFS4:
	2105	return _("nfs4");
	2106	#endif
	2107	#ifdef MNT_CIFS
	2108	case MNT_CIFS:
	2109	return _("cifs");
	2110	#endif
	2111	default:
	2112	return "?";
	2113	}
	2114	}
	2115	#endif /* FSTYPE_AIX_STATFS */
	2116
	2117	#ifdef AFS
	2118	#include <netinet/in.h>
	2119	#include <afs/venus.h>
	2120	#if __STDC__
	2121	/* On SunOS 4, afs/vice.h defines this to rely on a pre-ANSI cpp. */
	2122	#undef _VICEIOCTL
	2123	#define _VICEIOCTL(id) ((unsigned int ) _IOW('V', id, struct ViceIoctl))
	2124	#endif
	2125	#ifndef _IOW
	2126	/* AFS on Solaris 2.3 doesn't get this definition. */
	2127	#include <sys/ioccom.h>
	2128	#endif
	2129
	2130	static int
	2131	in_afs (path)
	2132	char *path;
	2133	{
	2134	static char space[2048];
	2135	struct ViceIoctl vi;
	2136
	2137	vi.in_size = 0;
	2138	vi.out_size = sizeof (space);
	2139	vi.out = space;
	2140
	2141	if (pioctl (path, VIOC_FILE_CELL_NAME, &vi, 1)
	2142	&& (errno == EINVAL \|\| errno == ENOENT))
	2143	return 0;
	2144	return 1;
	2145	}
	2146	#endif /* AFS */
	2147
	2148	/* Nonzero if the current filesystem's type is known. */
	2149	static int fstype_known = 0;
	2150
	2151	/* Return a static string naming the type of filesystem that the file PATH,
	2152	described by STATP, is on.
	2153	RELPATH is the file name relative to the current directory.
	2154	Return "unknown" if its filesystem type is unknown. */
	2155
	2156	static char *
	2157	filesystem_type (char * path, char * relpath, struct stat * statp)
	2158	{
	2159	static char *current_fstype = NULL;
	2160	static dev_t current_dev;
	2161
	2162	if (current_fstype != NULL)
	2163	{
	2164	if ((0 != fstype_known) && statp->st_dev == current_dev)
	2165	return current_fstype; /* Cached value. */
	2166	SH_FREE (current_fstype);
	2167	}
	2168	current_dev = statp->st_dev;
	2169	current_fstype = filesystem_type_uncached (path, relpath, statp);
	2170	return current_fstype;
	2171	}
	2172
[253]	2173	/* This variable is not used anywhere. It only exists
	2174	* to assign &dirlist to it, which keeps gcc from
	2175	* putting it into a register, and avoids the 'clobbered
	2176	* by longjmp' warning. And no, 'volatile' proved insufficient.
	2177	*/
	2178	static void * sh_dummy_type = NULL;
	2179
	2180
[1]	2181	/* Return a newly allocated string naming the type of filesystem that the
	2182	file PATH, described by STATP, is on.
	2183	RELPATH is the file name relative to the current directory.
	2184	Return "unknown" if its filesystem type is unknown. */
	2185
	2186	static char *
	2187	filesystem_type_uncached (path, relpath, statp)
	2188	char *path;
	2189	char *relpath;
	2190	struct stat *statp;
	2191	{
	2192	char * type = NULL;
	2193	#ifdef MFSNAMELEN /* NetBSD. */
	2194	static char my_tmp_type[64];
	2195	#endif
	2196
	2197	#ifdef FSTYPE_MNTENT /* 4.3BSD, SunOS, HP-UX, Dynix, Irix. */
	2198	char *table = MOUNTED;
	2199	FILE *mfp;
	2200	struct mntent *mnt;
	2201
	2202	if (path == NULL \|\| relpath == NULL)
	2203	return NULL;
	2204
	2205	mfp = setmntent (table, "r");
	2206	if (mfp == NULL)
	2207	{
[253]	2208	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2209	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
	2210	_("setmntent() failed"),
	2211	_("filesystem_type_uncached") );
[253]	2212	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2213	return NULL;
	2214	}
	2215
[253]	2216	/* Take the address to keep gcc from putting it into a register.
	2217	* Avoids the 'clobbered by longjmp' warning.
	2218	*/
	2219	sh_dummy_type = (void*) &type;
	2220
[1]	2221	/* Find the entry with the same device number as STATP, and return
	2222	that entry's fstype. */
	2223	while (type == NULL && (mnt = getmntent (mfp)) != NULL)
	2224	{
[199]	2225	const char *devopt;
[1]	2226	dev_t dev;
	2227	struct stat disk_stats;
	2228
	2229	#ifdef MNTTYPE_IGNORE
	2230	if (0 == strcmp (mnt->mnt_type, MNTTYPE_IGNORE))
	2231	continue;
	2232	#endif
	2233
	2234	/* Newer systems like SunOS 4.1 keep the dev number in the mtab,
	2235	in the options string. For older systems, we need to stat the
	2236	directory that the filesystem is mounted on to get it.
	2237
	2238	Unfortunately, the HPUX 9.x mnttab entries created by automountq
	2239	contain a dev= option but the option value does not match the
	2240	st_dev value of the file (maybe the lower 16 bits match?). */
	2241
	2242	#if !defined(hpux) && !defined(__hpux__)
	2243	devopt = sl_strstr (mnt->mnt_opts, "dev=");
	2244	if (devopt)
	2245	{
	2246	if (devopt[4] == '0' && (devopt[5] == 'x' \|\| devopt[5] == 'X'))
	2247	dev = (dev_t) xatoi (devopt + 6);
	2248	else
	2249	dev = (dev_t) xatoi (devopt + 4);
	2250	}
	2251	else
	2252	#endif /* not hpux */
	2253	{
	2254	if (stat (mnt->mnt_dir, &disk_stats) == -1)
	2255	{
[252]	2256	char errmsg[256];
[253]	2257	volatile int elevel = SH_ERR_ERR;
[252]	2258	size_t tlen = strlen(mnt->mnt_dir);
	2259	if (tlen >= 6 && 0 == strcmp(&((mnt->mnt_dir)[tlen-6]), _("/.gvfs")))
	2260	elevel = SH_ERR_NOTICE;
	2261	sl_snprintf(errmsg, sizeof(errmsg), _("stat(%s) failed"),
	2262	mnt->mnt_dir);
[253]	2263	SH_MUTEX_LOCK(mutex_thread_nolog);
[252]	2264	sh_error_handle (elevel, FIL__, __LINE__, 0, MSG_E_SUBGEN,
	2265	errmsg,
[1]	2266	_("filesystem_type_uncached") );
[253]	2267	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2268	return NULL;
	2269	}
	2270	dev = disk_stats.st_dev;
	2271	}
	2272
	2273	if (dev == statp->st_dev)
	2274	{
	2275	/* check for the "nosuid" option
	2276	*/
[61]	2277	#ifdef HAVE_HASMNTOPT
[119]	2278	if (NULL == hasmntopt(mnt, "nosuid") \|\| (ShSuidchkNosuid == S_TRUE))
[1]	2279	type = mnt->mnt_type;
	2280	else
[61]	2281	type = _("nosuid"); /* hasmntopt (nosuid) */
	2282	#else
	2283	type = mnt->mnt_type;
	2284	#endif
[1]	2285	}
	2286	}
	2287
	2288	if (endmntent (mfp) == 0)
	2289	{
[253]	2290	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2291	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_E_SUBGEN,
	2292	_("endmntent() failed"),
	2293	_("filesystem_type_uncached") );
[253]	2294	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2295	}
	2296	#endif
	2297
	2298	#ifdef FSTYPE_GETMNT /* Ultrix. */
	2299	int offset = 0;
	2300	struct fs_data fsd;
	2301
	2302	if (path == NULL \|\| relpath == NULL)
	2303	return NULL;
	2304
[253]	2305	/* Take the address to keep gcc from putting it into a register.
	2306	* Avoids the 'clobbered by longjmp' warning.
	2307	*/
	2308	sh_dummy_type = (void*) &type;
	2309
[1]	2310	while (type == NULL
	2311	&& getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY, 0) > 0)
	2312	{
	2313	if (fsd.fd_req.dev == statp->st_dev)
	2314	type = gt_names[fsd.fd_req.fstype];
	2315	}
	2316	#endif
	2317
	2318	#ifdef FSTYPE_USG_STATFS /* SVR3. */
	2319	struct statfs fss;
	2320	char typebuf[FSTYPSZ];
	2321
	2322	if (path == NULL \|\| relpath == NULL)
	2323	return NULL;
	2324
[253]	2325	/* Take the address to keep gcc from putting it into a register.
	2326	* Avoids the 'clobbered by longjmp' warning.
	2327	*/
	2328	sh_dummy_type = (void*) &type;
	2329
[1]	2330	if (statfs (relpath, &fss, sizeof (struct statfs), 0) == -1)
	2331	{
	2332	/* Don't die if a file was just removed. */
	2333	if (errno != ENOENT)
	2334	{
[253]	2335	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2336	sh_error_handle ((-1), FIL__, __LINE__, errno, MSG_E_SUBGEN,
	2337	_("statfs() failed"),
	2338	_("filesystem_type_uncached") );
[253]	2339	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2340	return NULL;
	2341	}
	2342	}
	2343	else if (!sysfs (GETFSTYP, fss.f_fstyp, typebuf))
	2344	type = typebuf;
	2345	#endif
	2346
	2347	#ifdef FSTYPE_STATVFS /* SVR4. */
	2348	struct statvfs fss;
	2349
	2350	if (path == NULL \|\| relpath == NULL)
	2351	return NULL;
	2352
[253]	2353	/* Take the address to keep gcc from putting it into a register.
	2354	* Avoids the 'clobbered by longjmp' warning.
	2355	*/
	2356	sh_dummy_type = (void*) &type;
	2357
[1]	2358	if (statvfs (relpath, &fss) == -1)
	2359	{
	2360	/* Don't die if a file was just removed. */
	2361	if (errno != ENOENT)
	2362	{
[253]	2363	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2364	sh_error_handle ((-1), FIL__, __LINE__, errno, MSG_E_SUBGEN,
	2365	_("statvfs() failed"),
	2366	_("filesystem_type_uncached") );
[253]	2367	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2368	return NULL;
	2369	}
	2370	}
	2371	else
	2372	{
	2373	type = fss.f_basetype;
	2374
	2375	/* patch by Konstantin Khrooschev <nathoo@co.ru>
	2376	*/
[119]	2377	if( (fss.f_flag & ST_NOSUID) && (ShSuidchkNosuid == S_FALSE))
[1]	2378	type = _("nosuid");
	2379	}
	2380	(void) statp; /* fix compiler warning */
	2381	#endif
	2382
	2383	#ifdef FSTYPE_STATFS /* 4.4BSD. */
	2384	struct statfs fss;
	2385	char *p;
	2386	#if defined(MNT_VISFLAGMASK) && defined(HAVE_STRUCT_STATFS_F_FLAGS)
	2387	int flags;
	2388	#endif
	2389	/* char * sh_dirname(const char path); /
	2390
	2391	if (path == NULL \|\| relpath == NULL)
	2392	return NULL;
	2393
[253]	2394	/* Take the address to keep gcc from putting it into a register.
	2395	* Avoids the 'clobbered by longjmp' warning.
	2396	*/
	2397	sh_dummy_type = (void*) &type;
	2398
[1]	2399	if (S_ISLNK (statp->st_mode))
	2400	p = sh_dirname (relpath);
	2401	else
	2402	p = relpath;
	2403
	2404	if (statfs (p, &fss) == -1)
	2405	{
	2406	/* Don't die if symlink to nonexisting file, or a file that was
	2407	just removed. */
	2408	if (errno != ENOENT)
	2409	{
[253]	2410	SH_MUTEX_LOCK(mutex_thread_nolog);
[1]	2411	sh_error_handle ((-1), FIL__, __LINE__, errno, MSG_E_SUBGEN,
	2412	_("statfs() failed"),
	2413	_("filesystem_type_uncached") );
[253]	2414	SH_MUTEX_UNLOCK(mutex_thread_nolog);
[1]	2415	return NULL;
	2416	}
	2417	}
	2418	else
	2419	{
	2420
	2421	#ifdef MFSNAMELEN /* NetBSD. */
	2422	/* MEMORY LEAK !!!
	2423	* type = sh_util_strdup (fss.f_fstypename);
	2424	*/
	2425	sl_strlcpy (my_tmp_type, fss.f_fstypename, 64);
	2426	type = my_tmp_type;
	2427	#else
	2428	type = fstype_to_string (fss.f_type);
	2429	#endif
	2430
	2431	#ifdef HAVE_STRUCT_STATFS_F_FLAGS
	2432	#ifdef MNT_VISFLAGMASK
	2433	flags = fss.f_flags & MNT_VISFLAGMASK;
[119]	2434	if ((flags & MNT_NOSUID) && (ShSuidchkNosuid == S_FALSE))
[1]	2435	#else
[119]	2436	if ((fss.f_flags & MNT_NOSUID) && (ShSuidchkNosuid == S_FALSE))
[1]	2437	#endif
	2438	type = _("nosuid");
	2439	#endif
	2440	}
	2441	if (p != relpath)
	2442	SH_FREE (p);
	2443	#endif
	2444
	2445	#ifdef AFS
	2446	if ((!type \|\| !strcmp (type, "xx")) && in_afs (relpath))
	2447	type = "afs";
	2448	#endif
	2449
	2450	/* An unknown value can be caused by an ENOENT error condition.
	2451	Don't cache those values. */
	2452	fstype_known = (int)(type != NULL);
	2453
	2454	return sh_util_strdup (type ? type : "unknown");
	2455	}
	2456
	2457	#ifdef FSTYPE_MNTENT /* 4.3BSD etc. */
	2458	/* Return the value of the hexadecimal number represented by CP.
	2459	No prefix (like '0x') or suffix (like 'h') is expected to be
	2460	part of CP. */
	2461
	2462	static int
	2463	xatoi (cp)
[199]	2464	const char *cp;
[1]	2465	{
	2466	int val;
	2467
	2468	val = 0;
	2469	while (*cp != '\0')
	2470	{
	2471	/@+charint@/
	2472	if (cp >= 'a' && cp <= 'f')
	2473	val = val * 16 + *cp - 'a' + 10;
	2474	else if (cp >= 'A' && cp <= 'F')
	2475	val = val * 16 + *cp - 'A' + 10;
	2476	else if (cp >= '0' && cp <= '9')
	2477	val = val * 16 + *cp - '0';
	2478	else
	2479	break;
	2480	/@-charint@/
	2481	cp++;
	2482	}
	2483	return val;
	2484	}
	2485	#endif
	2486
	2487
	2488
	2489	#endif
	2490
	2491
	2492	/* #ifdef SH_USE_UTMP */
	2493	#endif
	2494
	2495
	2496

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