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sh_calls.c

Last change on this file was 575, checked in by katerina, 3 years ago
Fix for ticket #463 (gcc 11.2 compiler warnings).
File size: 23.6 KB

Rev	Line
[1]	1	/* SAMHAIN file system integrity testing */
	2	/* Copyright (C) 1999 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	#ifdef HOST_IS_HPUX
	23	#define _XOPEN_SOURCE_EXTENDED
	24	#endif
	25
	26	#include <stdlib.h>
	27	#include <string.h>
	28	#include <errno.h>
	29
	30	#include <sys/types.h>
	31	#include <unistd.h>
	32	#include <sys/stat.h>
	33	#include <fcntl.h>
	34	#include <signal.h>
	35	#include <sys/socket.h>
[361]	36	#include <netdb.h>
[1]	37	#include <netinet/in.h>
	38
	39	#ifndef S_SPLINT_S
	40	#include <arpa/inet.h>
	41	#else
	42	#define AF_INET 2
	43	#endif
	44
	45	#include <time.h>
	46
	47	#ifndef HAVE_LSTAT
	48	#define lstat stat
	49	#endif
	50
	51	#include "samhain.h"
	52	#include "sh_error.h"
[295]	53	#include "sh_ipvx.h"
[315]	54	#include "sh_sub.h"
	55	#include "sh_utils.h"
[1]	56
	57	#undef FIL__
	58	#define FIL__ _("sh_calls.c")
	59
[361]	60	extern int flag_err_debug;
	61
[1]	62	char aud_err_message[64];
	63
	64	typedef struct cht_struct
	65	{
[170]	66	const char * str;
[1]	67	unsigned long val;
	68	} cht_type;
	69
	70	static cht_type aud_tab[] =
	71	{
	72	{ N_("execve"), AUD_EXEC },
	73	{ N_("utime"), AUD_UTIME },
	74	{ N_("unlink"), AUD_UNLINK },
	75	{ N_("dup"), AUD_DUP },
	76	{ N_("chdir"), AUD_CHDIR },
	77	{ N_("open"), AUD_OPEN },
	78	{ N_("kill"), AUD_KILL },
	79	{ N_("exit"), AUD_EXIT },
	80	{ N_("fork"), AUD_FORK },
	81	{ N_("setuid"), AUD_SETUID },
	82	{ N_("setgid"), AUD_SETGID },
	83	{ N_("pipe"), AUD_PIPE },
	84	{ NULL, 0 }
	85	};
	86
	87	/* Set aud functions
	88	*/
[22]	89	int sh_aud_set_functions(const char * str_s)
[1]	90	{
	91	int i = 0;
	92
	93	SL_ENTER(_("sh_aud_set_functions"));
	94
	95	if (str_s == NULL)
	96	return -1;
	97
	98	while (aud_tab[i].str != NULL)
	99	{
	100	if (NULL != sl_strstr (str_s, _(aud_tab[i].str)))
	101	{
	102	sh.flag.audit = 1;
	103	sh.flag.aud_mask \|= aud_tab[i].val;
	104	}
	105	++i;
	106	}
	107
	108	SL_RETURN(0,_("sh_aud_set_functions"));
	109	}
	110
	111
	112
	113
	114	/* Need to catch EINTR for these functions.
	115	*/
[170]	116	long int retry_sigaction(const char * file, int line,
[1]	117	int signum, const struct sigaction *act,
	118	struct sigaction *oldact)
	119	{
	120	int error;
	121	long int val_retry = -1;
[132]	122	char errbuf[SH_ERRBUF_SIZE];
[1]	123	errno = 0;
	124
	125	SL_ENTER(_("retry_sigaction"));
	126
	127	do {
	128	val_retry = sigaction(signum, act, oldact);
	129	} while (val_retry < 0 && errno == EINTR);
	130
	131	error = errno;
	132	if (val_retry < 0) {
	133	sh_error_handle ((-1), file, line, error, MSG_ERR_SIGACT,
[132]	134	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	135	(long) signum );
	136	}
	137	errno = error;
	138	SL_RETURN(val_retry, _("retry_sigaction"));
	139	}
	140
[295]	141	static struct sh_sockaddr bind_addr;
[1]	142	static int use_bind_addr = 0;
	143
[20]	144	int sh_calls_set_bind_addr (const char * str)
[1]	145	{
[3]	146	static int reject = 0;
	147
	148	if (reject == 1)
	149	return (0);
	150
	151	if (sh.flag.opts == S_TRUE)
	152	reject = 1;
	153
[295]	154	if (0 == sh_ipvx_aton(str, &bind_addr))
	155	return -1;
	156
[1]	157	use_bind_addr = 1;
	158	return 0;
	159	}
	160
	161
[170]	162	long int retry_connect(const char * file, int line, int sockfd,
[1]	163	struct sockaddr *serv_addr, int addrlen)
	164	{
	165	int error;
[472]	166	int err_bind = 0;
[1]	167	long int val_retry = 0;
[132]	168	char errbuf[SH_ERRBUF_SIZE];
[1]	169
	170	SL_ENTER(_("retry_connect"));
	171
	172	errno = 0;
	173
[472]	174	if (use_bind_addr)
[1]	175	{
[295]	176	int slen = SH_SS_LEN(bind_addr);
[472]	177	struct sockaddr *b_addr = sh_ipvx_sockaddr_cast(&bind_addr);
[295]	178
[472]	179	if (bind_addr.ss_family == AF_INET)
	180	b_addr->sa_family = AF_INET;
	181	#if defined(USE_IPVX)
	182	else
	183	b_addr->sa_family = AF_INET6;
	184	#endif
	185	val_retry = bind(sockfd, b_addr, slen);
[1]	186	}
	187
	188	if (val_retry == 0)
	189	{
	190	do {
[295]	191	val_retry = connect(sockfd, serv_addr, addrlen);
[171]	192	} while (val_retry < 0 && (errno == EINTR \|\| errno == EINPROGRESS));
[1]	193	}
[472]	194	else
	195	{
	196	err_bind = 1;
	197	}
[1]	198
	199	error = errno;
	200	if (val_retry != 0) {
[473]	201	long eport = 0;
[295]	202	char eaddr[SH_IP_BUF];
[472]	203	char emesg[SH_BUFSIZE];
	204	struct sockaddr *err_addr = serv_addr;
	205	struct sh_sockaddr ss;
[295]	206
[472]	207	if (err_bind)
	208	err_addr = sh_ipvx_sockaddr_cast(&bind_addr);
	209
	210	sh_ipvx_save(&ss, err_addr->sa_family, err_addr);
[295]	211	sh_ipvx_ntoa(eaddr, sizeof(eaddr), &ss);
	212
[472]	213	if (err_addr->sa_family == AF_INET)
[295]	214	eport = (long) ntohs(((struct sockaddr_in *)serv_addr)->sin_port);
[472]	215	#if defined(USE_IPVX)
[295]	216	else
	217	eport = (long) ntohs(((struct sockaddr_in6 *)serv_addr)->sin6_port);
[472]	218	#endif
[295]	219
[472]	220	sl_strlcpy(emesg, sh_error_message(error, errbuf, sizeof(errbuf)), sizeof(emesg));
	221	sl_strlcat(emesg,
	222	(err_addr->sa_family == AF_INET) ? _(", AF_INET") : _(", AF_INET6"),
	223	sizeof(emesg));
	224
	225	sl_strlcat(emesg,
	226	(err_bind) ? _(", bind") : _(", connect"),
	227	sizeof(emesg));
	228
	229	sh_error_handle ((-1), file, line, error, MSG_ERR_CONNECT,
	230	emesg,
[295]	231	(long) sockfd, eport, eaddr);
[1]	232	}
	233	errno = error;
	234	SL_RETURN(val_retry, _("retry_connect"));
	235	}
	236
[170]	237	long int retry_accept(const char * file, int line, int fd,
[295]	238	struct sh_sockaddr serv_addr, int addrlen)
[1]	239	{
	240	int error;
	241	long int val_retry = -1;
[132]	242	char errbuf[SH_ERRBUF_SIZE];
[295]	243	struct sockaddr_storage ss;
[132]	244
[295]	245	ACCEPT_TYPE_ARG3 my_addrlen = sizeof(ss);
[1]	246
	247	errno = 0;
	248
	249	SL_ENTER(_("retry_accept"));
	250
	251	do {
[295]	252	val_retry = accept(fd, (struct sockaddr *)&ss, &my_addrlen);
[1]	253	} while (val_retry < 0 && errno == EINTR);
[295]	254
[1]	255	error = errno;
	256	if (val_retry < 0) {
	257	sh_error_handle ((-1), file, line, error, MSG_ERR_ACCEPT,
[132]	258	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	259	(long) fd );
	260	}
[295]	261	errno = error;
	262
[481]	263	if (flag_err_debug == S_TRUE)
[361]	264	{
	265	char ipbuf[SH_IP_BUF];
	266	char buf[SH_BUFSIZE];
	267	#if defined(USE_IPVX)
	268	sl_strlcpy(errbuf, _("Address family: "), sizeof(errbuf));
	269	sl_strlcat(errbuf,
	270	(ss.ss_family == AF_INET6) ? _("AF_INET6") : _("AF_INET"),
	271	sizeof(errbuf));
	272	getnameinfo((struct sockaddr *)&ss, my_addrlen,
	273	ipbuf, sizeof(ipbuf), NULL, 0, NI_NUMERICHOST);
	274	#else
	275	struct sockaddr_in sa;
	276	char * p;
	277	memcpy(&(sa), (struct sockaddr_in*)&ss, sizeof(struct sockaddr_in));
	278	p = inet_ntoa(sa.sin_addr);
	279	sl_strlcpy(ipbuf, p, sizeof(ipbuf));
	280	sl_strlcpy(errbuf, _("Address family: AF_INET"), sizeof(errbuf));
	281	#endif
	282	sl_strlcpy(buf, _("Address: "), sizeof(buf));
	283	sl_strlcat(buf, ipbuf, sizeof(buf));
	284	sh_error_handle (SH_ERR_ALL, FIL__, __LINE__, 0, MSG_E_SUBGEN,
	285	errbuf, _("retry_accept"));
	286	sh_error_handle (SH_ERR_ALL, FIL__, __LINE__, 0, MSG_E_SUBGEN,
	287	buf, _("retry_accept"));
	288	}
	289
[295]	290	sh_ipvx_save(serv_addr, ss.ss_family, (struct sockaddr *) &ss);
	291
[481]	292	if (flag_err_debug == S_TRUE)
[361]	293	{
	294	char ipbuf[SH_IP_BUF];
	295	char ipbuf2[SH_IP_BUF];
	296	char buf[SH_BUFSIZE];
	297	#if defined(USE_IPVX)
	298	int len = (serv_addr->ss_family == AF_INET) ?
	299	sizeof(struct sockaddr_in) :
	300	sizeof(struct sockaddr_in6);
	301	getnameinfo(sh_ipvx_sockaddr_cast(serv_addr), len,
	302	ipbuf2, sizeof(ipbuf2), NULL, 0, NI_NUMERICHOST);
	303	#else
	304	char * p = inet_ntoa((serv_addr->sin).sin_addr);
	305	sl_strlcpy(ipbuf2, p, sizeof(ipbuf2));
	306	#endif
	307	sh_ipvx_ntoa (ipbuf, sizeof(ipbuf), serv_addr);
	308	sl_snprintf(buf, sizeof(buf), _("Address: %s / %s"),
	309	ipbuf, ipbuf2);
	310	sh_error_handle (SH_ERR_ALL, FIL__, __LINE__, 0, MSG_E_SUBGEN,
	311	buf, _("retry_accept"));
	312	}
	313
[307]	314	*addrlen = (int) my_addrlen;
[1]	315	SL_RETURN(val_retry, _("retry_accept"));
	316	}
	317
[317]	318	static int sh_enable_use_sub = 0;
	319
	320	#if defined (SH_WITH_CLIENT) \|\| defined (SH_STANDALONE)
[503]	321	#if defined(HOST_IS_CYGWIN) \|\| defined(__cygwin__) \|\| defined(__CYGWIN32__) \|\| defined(__CYGWIN__)
	322	static int sh_use_sub = 0;
	323	#else
[317]	324	static int sh_use_sub = 1;
[503]	325	#endif
[317]	326	#else
[315]	327	static int sh_use_sub = 0;
[317]	328	#endif
[315]	329
[317]	330	void sh_calls_enable_sub()
	331	{
	332	sh_enable_use_sub = 1;
	333	return;
	334	}
	335
[315]	336	int sh_calls_set_sub (const char * str)
	337	{
[317]	338	int ret = sh_util_flagval(str, &sh_use_sub);
	339
	340	if ((ret == 0) && (!sh_use_sub))
	341	{
	342	sh_kill_sub();
	343	}
	344	return ret;
[315]	345	}
	346
[317]	347	long int retry_lstat_ns(const char * file, int line,
	348	const char file_name, struct stat buf)
	349	{
	350	int error;
	351	long int val_retry = -1;
	352	char errbuf[SH_ERRBUF_SIZE];
	353
	354	SL_ENTER(_("retry_lstat_ns"));
	355
	356	do {
	357	val_retry = /@-unrecog@/lstat (file_name, buf)/@+unrecog@/;
	358	} while (val_retry < 0 && errno == EINTR);
	359
	360	error = errno;
	361	if (val_retry < 0) {
	362	(void) sh_error_message(error, aud_err_message, 64);
	363	sh_error_handle ((-1), file, line, error, MSG_ERR_LSTAT,
	364	sh_error_message(error, errbuf, sizeof(errbuf)),
	365	file_name );
	366	}
	367	errno = error;
	368
	369	SL_RETURN(val_retry, _("retry_lstat_ns"));
	370	}
	371
[170]	372	long int retry_lstat(const char * file, int line,
[1]	373	const char file_name, struct stat buf)
	374	{
	375	int error;
	376	long int val_retry = -1;
[132]	377	char errbuf[SH_ERRBUF_SIZE];
[1]	378
	379	SL_ENTER(_("retry_lstat"));
	380
[317]	381	if (sh_use_sub && sh_enable_use_sub)
[315]	382	{
	383	val_retry = sh_sub_lstat (file_name, buf);
	384	}
	385	else
	386	{
	387	do {
	388	val_retry = /@-unrecog@/lstat (file_name, buf)/@+unrecog@/;
	389	} while (val_retry < 0 && errno == EINTR);
	390	}
	391
[1]	392	error = errno;
	393	if (val_retry < 0) {
[134]	394	(void) sh_error_message(error, aud_err_message, 64);
[1]	395	sh_error_handle ((-1), file, line, error, MSG_ERR_LSTAT,
[132]	396	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	397	file_name );
	398	}
	399	errno = error;
[315]	400
[1]	401	SL_RETURN(val_retry, _("retry_lstat"));
	402	}
	403
[170]	404	long int retry_stat(const char * file, int line,
[1]	405	const char file_name, struct stat buf)
	406	{
	407	int error;
	408	long int val_retry = -1;
[132]	409	char errbuf[SH_ERRBUF_SIZE];
[1]	410
	411	SL_ENTER(_("retry_stat"));
	412
[317]	413	if (sh_use_sub && sh_enable_use_sub)
[315]	414	{
	415	val_retry = sh_sub_stat (file_name, buf);
	416	}
	417	else
	418	{
	419	do {
	420	val_retry = stat (file_name, buf);
	421	} while (val_retry < 0 && errno == EINTR);
	422	}
	423
[1]	424	error = errno;
	425	if (val_retry < 0) {
[134]	426	(void) sh_error_message(error, aud_err_message, 64);
[1]	427	sh_error_handle ((-1), file, line, error, MSG_ERR_STAT,
[132]	428	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	429	file_name );
	430	}
	431	errno = error;
[315]	432
[1]	433	SL_RETURN(val_retry, _("retry_stat"));
	434	}
	435
[170]	436	long int retry_fstat(const char * file, int line, int filed, struct stat *buf)
[1]	437	{
	438	int error;
	439	long int val_retry = -1;
[132]	440	char errbuf[SH_ERRBUF_SIZE];
[1]	441
	442	SL_ENTER(_("retry_fstat"));
	443
	444	do {
	445	val_retry = fstat (filed, buf);
	446	} while (val_retry < 0 && errno == EINTR);
	447	error = errno;
	448	if (val_retry < 0) {
	449	sh_error_handle ((-1), file, line, error, MSG_ERR_FSTAT,
[132]	450	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	451	(long) filed );
	452	}
	453	errno = error;
	454	SL_RETURN(val_retry, _("retry_fstat"));
	455	}
	456
[170]	457	long int retry_fcntl(const char * file, int line, int fd, int cmd, long arg)
[1]	458	{
	459	int error;
	460	long int val_retry = -1;
[132]	461	char errbuf[SH_ERRBUF_SIZE];
[1]	462	errno = 0;
	463
	464	SL_ENTER(_("retry_fcntl"));
	465
	466	if (cmd == F_GETFD \|\| cmd == F_GETFL)
	467	{
	468	do {
	469	val_retry = fcntl(fd, cmd);
	470	} while (val_retry < 0 && errno == EINTR);
	471	}
	472	else
	473	{
	474	do {
	475	val_retry = fcntl(fd, cmd, arg);
	476	} while (val_retry < 0 && errno == EINTR);
	477	}
	478	error = errno;
	479	if (val_retry < 0) {
	480	sh_error_handle ((-1), file, line, error, MSG_ERR_FCNTL,
[132]	481	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	482	(long) fd, (long) cmd, arg );
	483	}
	484	errno = error;
	485	SL_RETURN(val_retry, _("retry_fcntl"));
	486	}
	487
	488	long int retry_msleep (int sec, int millisec)
	489	{
	490	int result = 0;
	491	#if defined(HAVE_NANOSLEEP)
	492	struct timespec req, rem;
	493	#endif
	494
	495	errno = 0;
	496	if (millisec > 999) millisec = 999;
	497	if (millisec < 0) millisec = 0;
	498	if (sec < 0) sec = 0;
	499
	500	#if defined(HAVE_NANOSLEEP)
	501	/@-usedef@/
	502	req.tv_sec = sec; rem.tv_sec = 0;
	503	req.tv_nsec = millisec * 1000000; rem.tv_nsec = 0;
	504	/@+usedef@/
	505	do {
	506	result = /@-unrecog@/nanosleep(&req, &rem)/@+unrecog@/;
	507
	508	req.tv_sec = rem.tv_sec; rem.tv_sec = 0;
	509	req.tv_nsec = rem.tv_nsec; rem.tv_nsec = 0;
	510
	511	} while ((result == -1) && (errno == EINTR));
	512	#else
	513	if (sec > 0)
[481]	514	sleep (sec); /* nanosleep not available */
	515	else {
[1]	516	#ifdef HAVE_USLEEP
[481]	517	if (millisec > 0)
	518	usleep(1000 * millisec);
[1]	519	#else
[481]	520	if (millisec > 0)
	521	sleep (1);
[1]	522	#endif
[481]	523	}
[1]	524	#endif
[481]	525	return result;
[1]	526	}
	527
	528	/***************************************************
	529	*
	530	* Audit these functions.
	531	*
	532	***************************************************/
	533
[170]	534	long int retry_aud_execve (const char * file, int line,
[550]	535	const char dateiname, char const argv[],
	536	char *const envp[])
[1]	537	{
	538	uid_t a = geteuid();
	539	gid_t b = getegid();
	540	int i;
	541	int error;
[132]	542	char errbuf[SH_ERRBUF_SIZE];
[1]	543
	544	SL_ENTER(_("retry_aud_execve"));
	545
	546	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_EXEC) != 0)
	547	sh_error_handle ((-1), file, line, 0, MSG_AUD_EXEC,
	548	dateiname, (long) a, (long) b );
	549	do {
	550	i = execve(dateiname, argv, envp);
	551	} while (i < 0 && errno == EINTR);
	552
	553	error = errno;
	554	if (i < 0) {
[132]	555	sh_error_handle ((-1), file, line, error, MSG_ERR_EXEC,
	556	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	557	dateiname, (long) a, (long) b );
	558	}
	559	errno = error;
	560	SL_RETURN(i, _("retry_aud_execve"));
	561	}
	562
	563
[170]	564	long int retry_aud_utime (const char * file, int line,
	565	char * path, struct utimbuf *buf)
[1]	566	{
	567	long int val_return;
	568	int error;
[132]	569	char errbuf[SH_ERRBUF_SIZE];
[1]	570	errno = 0;
	571
	572	SL_ENTER(_("retry_aud_utime"));
	573
	574	do {
	575	val_return = utime (path, buf);
	576	} while (val_return < 0 && errno == EINTR);
	577
	578	error = errno;
	579	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_UTIME) != 0)
	580	sh_error_handle ((-1), file, line, 0, MSG_AUD_UTIME,
	581	path,
	582	(unsigned long) buf->actime,
	583	(unsigned long) buf->modtime);
	584	if (val_return < 0) {
	585	sh_error_handle ((-1), file, line, error, MSG_ERR_UTIME,
[132]	586	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	587	path,
	588	(unsigned long) buf->actime,
	589	(unsigned long) buf->modtime);
	590	}
	591	errno = error;
	592	SL_RETURN(val_return, _("retry_aud_utime"));
	593	}
	594
[170]	595	long int retry_aud_unlink (const char * file, int line,
[1]	596	char * path)
	597	{
	598	long int val_return;
	599	int error;
[132]	600	char errbuf[SH_ERRBUF_SIZE];
[1]	601	errno = 0;
	602
	603	SL_ENTER(_("retry_aud_unlink"));
	604
	605	do {
	606	val_return = unlink (path);
	607	} while (val_return < 0 && errno == EINTR);
	608
	609	error = errno;
	610	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_UNLINK) != 0)
	611	sh_error_handle ((-1), file, line, 0, MSG_AUD_UNLINK,
	612	path);
	613	if (val_return < 0) {
[132]	614	sh_error_handle ((-1), file, line, error, MSG_ERR_UNLINK,
	615	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	616	path);
	617	}
	618	errno = error;
	619	SL_RETURN(val_return, _("retry_aud_unlink"));
	620	}
	621
[170]	622	long int retry_aud_dup2 (const char * file, int line,
[1]	623	int fd, int fd2)
	624	{
	625	long int val_return;
	626	int error;
[132]	627	char errbuf[SH_ERRBUF_SIZE];
[1]	628	errno = 0;
	629
	630	SL_ENTER(_("retry_aud_dup2"));
	631
	632	do {
	633	val_return = dup2 (fd, fd2);
	634	} while (val_return < 0 && errno == EINTR);
	635
	636	error = errno;
	637	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_DUP) != 0)
	638	sh_error_handle ((-1), file, line, 0, MSG_AUD_DUP,
	639	(long) fd, val_return);
	640	if (val_return < 0) {
	641	sh_error_handle ((-1), file, line, error, MSG_ERR_DUP,
[132]	642	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	643	(long) fd, val_return);
	644	}
	645	errno = error;
	646	SL_RETURN(val_return, _("retry_aud_dup2"));
	647	}
	648
[170]	649	long int retry_aud_dup (const char * file, int line,
[1]	650	int fd)
	651	{
	652	long int val_return;
	653	int error;
[132]	654	char errbuf[SH_ERRBUF_SIZE];
[1]	655	errno = 0;
	656
	657	SL_ENTER(_("retry_aud_dup"));
	658
	659	do {
	660	val_return = dup (fd);
	661	} while (val_return < 0 && errno == EINTR);
	662	error = errno;
	663	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_DUP) != 0)
	664	sh_error_handle ((-1), file, line, 0, MSG_AUD_DUP,
	665	(long) fd, val_return);
	666	if (val_return < 0) {
	667	sh_error_handle ((-1), file, line, error, MSG_ERR_DUP,
[132]	668	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	669	(long) fd, val_return);
	670	}
	671	errno = error;
	672	SL_RETURN(val_return, _("retry_aud_dup"));
	673	}
	674
	675
	676
[170]	677	long int retry_aud_chdir (const char * file, int line,
[1]	678	const char *path)
	679	{
	680	long int val_return;
	681	int error = 0;
[132]	682	char errbuf[SH_ERRBUF_SIZE];
[1]	683	errno = 0;
	684
	685	SL_ENTER(_("retry_aud_chdir"));
	686
	687	do {
	688	val_return = chdir (path);
	689	} while (val_return < 0 && errno == EINTR);
	690
	691	error = errno;
	692	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_CHDIR) != 0)
	693	sh_error_handle ((-1), file, line, 0, MSG_AUD_CHDIR,
	694	path);
	695	if (val_return < 0) {
[132]	696	sh_error_handle ((-1), file, line, error, MSG_ERR_CHDIR,
	697	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	698	path);
	699	}
	700	errno = error;
	701	SL_RETURN(val_return, _("retry_aud_chdir"));
	702	}
	703
	704
[170]	705	long int aud_open_noatime (const char * file, int line, int privs,
[1]	706	const char *pathname, int flags, mode_t mode,
	707	int * o_noatime)
	708	{
	709	long int val_return;
	710	int error;
[132]	711	char errbuf[SH_ERRBUF_SIZE];
[1]	712
	713	SL_ENTER(_("aud_open"));
	714
[412]	715	#ifdef USE_SUID
	716	if (0 == strcmp(pathname, "/usr/bin/sudo"))
	717	{
	718	uid_t ruid; uid_t euid; uid_t suid;
	719	getresuid(&ruid, &euid, &suid);
	720	}
	721	if (privs == SL_YESPRIV)
	722	sl_set_suid();
	723	#else
	724	/@-noeffect@/
	725	(void) privs; /* fix compiler warning */
	726	/@+noeffect@/
	727	#endif
	728
[1]	729	val_return = open (pathname, *o_noatime\|flags, mode);
[412]	730
	731	#ifdef USE_SUID
	732	if (privs == SL_YESPRIV)
	733	sl_unset_suid();
	734	#endif
	735
[1]	736	if ((val_return < 0) && (*o_noatime != 0))
	737	{
[509]	738	/* cppcheck-suppress resourceLeak */
[1]	739	val_return = open (pathname, flags, mode);
	740	if (val_return >= 0)
	741	*o_noatime = 0;
	742	}
	743	error = errno;
	744
	745	if (val_return < 0)
	746	{
[134]	747	(void) sh_error_message(error, aud_err_message, 64);
[1]	748	}
	749
	750	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_OPEN) != 0)
	751	{
	752	sh_error_handle ((-1), file, line, 0, MSG_AUD_OPEN,
	753	pathname, (long) flags, (long) mode, val_return);
	754	}
	755	if (val_return < 0) {
	756	sh_error_handle ((-1), file, line, error, MSG_ERR_OPEN,
[132]	757	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	758	pathname, (long) flags, (long) mode, val_return);
	759	}
	760	errno = error;
	761	SL_RETURN(val_return, _("aud_open"));
	762	}
	763
[170]	764	long int aud_open (const char * file, int line, int privs,
[1]	765	const char *pathname, int flags, mode_t mode)
	766	{
	767	long int val_return;
	768	int error;
[132]	769	char errbuf[SH_ERRBUF_SIZE];
[1]	770
	771	SL_ENTER(_("aud_open"));
	772
[412]	773	#ifdef USE_SUID
	774	if (privs == SL_YESPRIV)
	775	sl_set_suid();
	776	#else
[1]	777	/@-noeffect@/
	778	(void) privs; /* fix compiler warning */
	779	/@+noeffect@/
[412]	780	#endif
[1]	781
[412]	782	val_return = open (pathname, flags, mode);
	783
	784	#ifdef USE_SUID
	785	if (privs == SL_YESPRIV)
	786	sl_unset_suid();
	787	#endif
	788
	789	error = errno;
	790
[1]	791	if (val_return < 0)
	792	{
[134]	793	(void) sh_error_message(error, aud_err_message, 64);
[1]	794	}
	795
	796	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_OPEN) != 0)
	797	{
	798	sh_error_handle ((-1), file, line, 0, MSG_AUD_OPEN,
	799	pathname, (long) flags, (long) mode, val_return);
	800	}
	801	if (val_return < 0) {
	802	sh_error_handle ((-1), file, line, error, MSG_ERR_OPEN,
[132]	803	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	804	pathname, (long) flags, (long) mode, val_return);
	805	}
	806	errno = error;
	807	SL_RETURN(val_return, _("aud_open"));
	808	}
	809
[170]	810	long int aud_kill (const char * file, int line, pid_t pid, int sig)
[1]	811	{
	812	int myerror;
	813	long int val_return = kill (pid, sig);
[132]	814	char errbuf[SH_ERRBUF_SIZE];
[1]	815	myerror = errno;
	816
	817	SL_ENTER(_("aud_kill"));
	818
	819	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_KILL) != 0)
	820	sh_error_handle ((-1), file, line, 0, MSG_AUD_KILL,
	821	(long) pid, (long) sig);
	822	if (val_return < 0) {
	823	sh_error_handle ((-1), file, line, myerror, MSG_ERR_KILL,
[132]	824	sh_error_message(myerror, errbuf, sizeof(errbuf)),
[1]	825	(long) pid, (long) sig);
	826	}
	827	errno = myerror;
	828	SL_RETURN(val_return, _("aud_kill"));
	829	}
	830
	831	/@noreturn@/
[481]	832	void aud_exit (const char * file, int line, int exitval)
[1]	833	{
	834	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_EXIT) != 0)
	835	sh_error_handle ((-1), file, line, 0, MSG_AUD_EXIT,
[481]	836	(long) exitval);
[1]	837
	838	SL_ENTER(_("aud_exit"));
	839
[481]	840	sh.flag.exit = exitval;
	841	exit(exitval);
[1]	842	}
	843
	844	/@noreturn@/
[481]	845	void aud__exit (const char * file, int line, int exitval)
[1]	846	{
	847	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_EXIT) != 0)
	848	sh_error_handle ((-1), file, line, 0, MSG_AUD_EXIT,
[481]	849	(long) exitval);
[1]	850
	851	SL_ENTER(_("aud__exit"));
	852
[481]	853	sh.flag.exit = exitval;
	854	_exit(exitval);
[1]	855	}
	856
[170]	857	pid_t aud_fork (const char * file, int line)
[1]	858	{
	859	int error;
	860	pid_t i = fork();
[132]	861	char errbuf[SH_ERRBUF_SIZE];
[1]	862
	863	error = errno;
	864	SL_ENTER(_("aud_fork"));
	865
	866	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_FORK) != 0 && (i > 0))
	867	sh_error_handle ((-1), file, line, 0, MSG_AUD_FORK,
	868	(long) i);
	869	if (i == (pid_t) -1) {
	870	sh_error_handle ((-1), file, line, error, MSG_ERR_FORK,
[132]	871	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	872	(long) i);
	873	}
	874	errno = error;
	875	SL_RETURN(i, _("aud_fork"));
	876	}
	877
[170]	878	int aud_setuid (const char * file, int line, uid_t uid)
[1]	879	{
	880	int error = 0;
	881	int i = 0;
[132]	882	char errbuf[SH_ERRBUF_SIZE];
[1]	883
	884	SL_ENTER(_("aud_setuid"));
	885
	886	if (uid != (uid_t) 0) {
	887	i = setuid(uid);
	888	error = errno;
	889	}
	890	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_SETUID) != 0)
	891	sh_error_handle ((-1), file, line, 0, MSG_AUD_SETUID,
	892	(long) uid);
	893	if (uid == (uid_t) 0) {
	894	i = setuid(uid);
	895	error = errno;
	896	}
	897	if (i < 0) {
	898	sh_error_handle ((-1), file, line, error, MSG_ERR_SETUID,
[132]	899	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	900	(long) uid);
	901	}
	902	errno = error;
	903	SL_RETURN(i, _("aud_setuid"));
	904	}
	905
[170]	906	int aud_setgid (const char * file, int line, gid_t gid)
[1]	907	{
	908	int error = 0;
	909	int i = 0;
[132]	910	char errbuf[SH_ERRBUF_SIZE];
[1]	911
	912	SL_ENTER(_("aud_setgid"));
	913
	914	if (gid != (gid_t) 0) {
	915	i = setgid(gid);
	916	error = errno;
	917	}
	918
	919	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_SETGID) != 0)
	920	sh_error_handle ((-1), file, line, 0, MSG_AUD_SETGID,
	921	(long) gid);
	922	if (gid == (gid_t) 0) {
	923	i = setgid(gid);
	924	error = errno;
	925	}
	926	if (i < 0) {
	927	sh_error_handle ((-1), file, line, error, MSG_ERR_SETGID,
[132]	928	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	929	(long) gid);
	930	}
	931	errno = error;
	932	SL_RETURN(i, _("aud_setgid"));
	933	}
	934
[575]	935	int aud_pipe (const char * file, int line, int modus[2])
[1]	936	{
	937	int error;
	938	int i = pipe (modus);
[132]	939	char errbuf[SH_ERRBUF_SIZE];
[1]	940
	941	SL_ENTER(_("aud_pipe"));
	942
	943	error = errno;
	944	if (sh.flag.audit != 0 && (sh.flag.aud_mask & AUD_PIPE) != 0)
	945	{
	946	if (i < 0)
	947	sh_error_handle ((-1), file, line, 0, MSG_AUD_PIPE,
	948	(long) 0, (long) 0);
	949	else
	950	sh_error_handle ((-1), file, line, 0, MSG_AUD_PIPE,
	951	(long) modus[0], (long) modus[1]);
	952	}
	953	if (i < 0) {
	954	if (i < 0)
	955	sh_error_handle ((-1), file, line, error, MSG_ERR_PIPE,
[137]	956	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	957	(long) 0, (long) 0);
	958	else
	959	sh_error_handle ((-1), file, line, error, MSG_ERR_PIPE,
[132]	960	sh_error_message(error, errbuf, sizeof(errbuf)),
[1]	961	(long) modus[0], (long) modus[1]);
	962	}
	963	SL_RETURN(i, _("aud_pipe"));
	964	}

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source: trunk/src/sh_calls.c

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