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source: trunk/src/sh_error.c@ 417

Last change on this file since 417 was 405, checked in by katerina, 12 years ago
Fix for tickets #303, #304, #305. #306, and #307. Update version number.
File size: 41.5 KB

Rev	Line
[1]	1	/* SAMHAIN file system integrity testing */
	2	/* Copyright (C) 1999, 2000 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
[144]	22	/* Required on Linux to get the correct strerror_r function. Also
	23	* for recursive mutexes (_XOPEN_SOURCE >= 500). Gives funny error
	24	* on Solaris 10/gcc ('c99' compiler required - huh? Isn't gcc
	25	* good enough?).
[132]	26	*/
[144]	27	#if !defined(__sun__) && !defined(__sun)
[132]	28	#define _XOPEN_SOURCE 600
[352]	29	#undef _GNU_SOURCE
[144]	30	#endif
[132]	31	#include <string.h>
[1]	32	#include <stdio.h>
	33	#include <stdlib.h>
	34	#include <stdarg.h>
	35	#include <ctype.h>
	36	#include <limits.h>
	37	#include <errno.h>
	38
	39	/* Required on FreeBSD
	40	*/
	41	#include <sys/types.h>
	42
	43	#ifdef HAVE_MEMORY_H
	44	#include <memory.h>
	45	#endif
	46
	47	#if defined(HAVE_MLOCK) && !defined(HAVE_BROKEN_MLOCK)
	48	#include <sys/mman.h>
	49	#endif
	50
	51
	52
	53	#include "samhain.h"
	54
	55	#include "sh_cat.h"
	56	#include "sh_database.h"
	57	#include "sh_error.h"
	58	#include "sh_utils.h"
	59	#include "sh_unix.h"
	60	#include "sh_tiger.h"
[214]	61	#include "sh_nmail.h"
[1]	62	#include "sh_forward.h"
	63	#include "sh_prelude.h"
[140]	64	#include "sh_pthread.h"
[1]	65
	66	#if defined(WITH_DATABASE)
	67	#include "sh_tools.h"
	68	#endif
	69
	70	#if defined(WITH_EXTERNAL)
	71	#include "sh_extern.h"
	72	#endif
	73
	74	#undef FIL__
	75	#define FIL__ _("sh_error.c")
	76	/@-noret -compmempass@/
	77	extern int clt_class;
	78
	79	int flag_err_debug = SL_FALSE;
	80	int flag_err_info = SL_FALSE;
	81
	82	int ShDFLevel[SH_ERR_T_END];
	83
	84	typedef struct _log_t {
	85	char file[SH_PATHBUF];
	86	char format[SH_PATHBUF];
	87	/@null@/char * msg;
	88	size_t msg_len;
	89	int severity;
	90	int class;
	91	int pid;
	92	long status;
	93	long line;
	94	char timestamp[TIM_MAX];
	95	} sh_log_t;
	96
	97
	98	struct _errFlags errFlags;
	99
	100	static int sh_error_init (void);
	101
	102	/@owned@//@null@/inline
	103	static char * get_format(unsigned long msg_id, /@out@/int * priority,
	104	/@out@/unsigned int * class);
	105
	106	static int sh_error_string (struct _log_t * lmsg, va_list vl);
	107
[170]	108	extern int sh_log_console (/@null@/const char *message);
[1]	109	extern int sh_log_syslog (int severity, /@null@/char *message);
	110	extern int sh_log_file (/@null@/char *message,
	111	/@null@/char * inet_peer);
	112	/* convert a string to a numeric priority
	113	*/
[22]	114	int sh_error_convert_level (const char * str_s);
[1]	115
	116	static int IsInitialized = BAD;
	117
	118	/* --- Only log to stderr. ---
	119	*/
	120	int OnlyStderr = S_TRUE;
	121
[86]	122	/* --- Enable facilities not safe for closeall(). ---
	123	*/
	124	int enableUnsafe = S_FALSE;
[1]	125
	126	/*********************************************
	127	* utility functions for verifying entries
	128	*********************************************/
	129
[20]	130	int sh_error_verify (const char * s)
[1]	131	{
	132	char * foo;
[133]	133	char hashbuf[KEYBUF_SIZE];
[1]	134
	135	if (s[0] == '/')
	136	{
[159]	137	foo = sh_tiger_hash_gpg (s, TIGER_FILE, TIGER_NOLIM);
[1]	138	fprintf (stdout, _("%s\n"), foo);
	139	SH_FREE(foo);
	140	}
	141	else
	142	{
	143	fprintf (stdout, _("string=<%s>, hash=<%s>\n"),
	144	s, sh_tiger_hash (s, TIGER_DATA,
[133]	145	(unsigned long) sl_strlen(s),
	146	hashbuf, sizeof(hashbuf))
	147	);
[1]	148	}
	149	(void) fflush(stdout);
	150	_exit (EXIT_SUCCESS);
	151	/@i@/return 0;
	152	}
	153
	154
	155
	156	/*********************************************
	157	* end utility functions
	158	*********************************************/
	159
	160	void sh_error_only_stderr (int flag)
	161	{
	162	OnlyStderr = flag;
	163	return;
	164	}
	165
[86]	166	void sh_error_enable_unsafe (int flag)
	167	{
	168	enableUnsafe = flag;
	169	return;
	170	}
	171
[1]	172	static int dbg_store = 0;
	173	static int dbg_flag = 0;
	174
	175	static
[170]	176	void compute_flag_err_debug(void)
[1]	177	{
	178	if ((errFlags.loglevel & SH_ERR_ALL) != 0)
	179	flag_err_debug = SL_TRUE;
	180	else if ((errFlags.printlevel & SH_ERR_ALL) != 0)
	181	flag_err_debug = SL_TRUE;
	182	else if ((errFlags.maillevel & SH_ERR_ALL) != 0)
	183	flag_err_debug = SL_TRUE;
	184	else if ((errFlags.exportlevel & SH_ERR_ALL) != 0)
	185	flag_err_debug = SL_TRUE;
	186	else if ((errFlags.sysloglevel & SH_ERR_ALL) != 0)
	187	flag_err_debug = SL_TRUE;
	188	else if ((errFlags.externallevel & SH_ERR_ALL) != 0)
	189	flag_err_debug = SL_TRUE;
	190	else if ((errFlags.databaselevel & SH_ERR_ALL) != 0)
	191	flag_err_debug = SL_TRUE;
	192	else if ((errFlags.preludelevel & SH_ERR_ALL) != 0)
	193	flag_err_debug = SL_TRUE;
	194	else
	195	flag_err_debug = SL_FALSE;
	196	return;
	197	}
	198
	199	static
[170]	200	void compute_flag_err_info(void)
[1]	201	{
	202	if ((errFlags.loglevel & SH_ERR_INFO) != 0)
	203	flag_err_info = SL_TRUE;
	204	else if ((errFlags.printlevel & SH_ERR_INFO) != 0)
	205	flag_err_info = SL_TRUE;
	206	else if ((errFlags.maillevel & SH_ERR_INFO) != 0)
	207	flag_err_info = SL_TRUE;
	208	else if ((errFlags.exportlevel & SH_ERR_INFO) != 0)
	209	flag_err_info = SL_TRUE;
	210	else if ((errFlags.sysloglevel & SH_ERR_INFO) != 0)
	211	flag_err_info = SL_TRUE;
	212	else if ((errFlags.externallevel & SH_ERR_INFO) != 0)
	213	flag_err_info = SL_TRUE;
	214	else if ((errFlags.databaselevel & SH_ERR_INFO) != 0)
	215	flag_err_info = SL_TRUE;
	216	else if ((errFlags.preludelevel & SH_ERR_INFO) != 0)
	217	flag_err_info = SL_TRUE;
	218	else
	219	flag_err_info = SL_FALSE;
	220	return;
	221	}
	222
[170]	223	void sh_error_dbg_switch(void)
[1]	224	{
	225	if (dbg_flag == 0)
	226	{
	227	dbg_store = errFlags.printlevel;
	228	errFlags.printlevel = (SH_ERR_ALL \| SH_ERR_INFO \| SH_ERR_NOTICE \|
	229	SH_ERR_WARN \| SH_ERR_STAMP \| SH_ERR_ERR \|
	230	SH_ERR_SEVERE \| SH_ERR_FATAL);
	231	dbg_flag = 1;
	232	flag_err_debug = SL_TRUE;
	233	}
	234	else {
	235	errFlags.printlevel = dbg_store;
	236	dbg_store = 0;
	237	dbg_flag = 0;
	238	compute_flag_err_debug();
	239	}
	240	return;
	241	}
	242
[22]	243	static int sh_error_set_classmask (const char * str, int * facility_mask)
[1]	244	{
	245	char * p;
	246	int num = 0;
	247	unsigned int i;
	248	size_t len;
[22]	249	char * c;
[1]	250
	251	SL_ENTER(_("sh_error_set_classmask"));
	252
[22]	253	if (str == NULL)
[1]	254	SL_RETURN( -1, _("sh_error_set_classmask"));
	255
	256	if (IsInitialized == BAD)
	257	(void) sh_error_init();
	258
[22]	259	if (str[0] == (char) 34)
	260	++str;
	261	len = strlen(str);
	262
	263	c = SH_ALLOC(len+1);
	264	sl_strlcpy(c, str, len+1);
	265
[1]	266	if (c[len-1] == (char) 34)
	267	c[len-1] = '\0';
	268
	269	*facility_mask = 0;
	270
	271	do {
[131]	272	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
	273	char * saveptr;
	274	if (num == 0) {
	275	p = strtok_r (c, " ,\t", &saveptr);
	276	++num;
	277	} else {
	278	p = strtok_r (NULL, " ,\t", &saveptr);
	279	}
	280	#else
	281	if (num == 0) {
	282	p = strtok (c, " ,\t");
	283	++num;
	284	} else {
[1]	285	p = strtok (NULL, " ,\t");
[131]	286	}
	287	#endif
[1]	288
	289	if (p == NULL)
	290	break;
	291
	292	for (i = 0; i < SH_CLA_MAX; ++i)
	293	{
	294	if (i < SH_CLA_RAW_MAX) {
	295	if (0 == strcmp(p, _(class_cat[i])))
	296	*facility_mask \|= (1 << i);
	297	} else {
	298	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 0])))
	299	*facility_mask \|= OTHER_CLA;
	300	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 1])))
	301	*facility_mask \|= RUN_NEW;
	302	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 2])))
	303	*facility_mask \|= FIL_NEW;
	304	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 3])))
	305	*facility_mask \|= ERROR_CLA;
	306	}
	307	}
	308
	309	} while (p);
	310
[22]	311	SH_FREE(c);
[1]	312	SL_RETURN( 0, _("sh_error_set_classmask"));
	313	}
	314
[22]	315	int sh_error_log_mask (const char * c)
[1]	316	{
	317	return (sh_error_set_classmask(c, &(errFlags.log_class)));
	318	}
[22]	319	int sh_error_mail_mask (const char * c)
[1]	320	{
	321	return (sh_error_set_classmask(c, &(errFlags.mail_class)));
	322	}
[22]	323	int sh_error_print_mask (const char * c)
[1]	324	{
	325	return (sh_error_set_classmask(c, &(errFlags.print_class)));
	326	}
[22]	327	int sh_error_export_mask (const char * c)
[1]	328	{
	329	return (sh_error_set_classmask(c, &(errFlags.export_class)));
	330	}
[22]	331	int sh_error_syslog_mask (const char * c)
[1]	332	{
	333	return (sh_error_set_classmask(c, &(errFlags.syslog_class)));
	334	}
[22]	335	int sh_error_external_mask (const char * c)
[1]	336	{
	337	return (sh_error_set_classmask(c, &(errFlags.external_class)));
	338	}
[22]	339	int sh_error_database_mask (const char * c)
[1]	340	{
	341	return (sh_error_set_classmask(c, &(errFlags.database_class)));
	342	}
[22]	343	int sh_error_prelude_mask (const char * c)
[1]	344	{
	345	return (sh_error_set_classmask(c, &(errFlags.prelude_class)));
	346	}
	347
	348
	349
[132]	350	char * sh_error_message (int tellme, char * str, size_t len)
[1]	351	{
	352
[132]	353	#if defined(HAVE_STRERROR_R)
[352]	354	if (len > 0) str[0] = '\0';
[132]	355	strerror_r(tellme, str, len);
	356	return str;
	357	#elif defined(HAVE_STRERROR)
	358	sl_strlcpy(str, strerror(tellme), len);
	359	return str;
[1]	360	#else
	361
[132]	362	char *p = NULL;
[1]	363	#ifdef EACCES
[132]	364	if (tellme == EACCES) p = _("Permission denied.");
[1]	365	#endif
	366	#ifdef EAGAIN
[132]	367	if (tellme == EAGAIN) p = _("Try again.");
[1]	368	#endif
	369	#ifdef EBADF
[132]	370	if (tellme == EBADF) p = _("File descriptor in bad state.");
[1]	371	#endif
	372	#ifdef EEXIST
[132]	373	if (tellme == EEXIST) p = _("File exists.");
[1]	374	#endif
	375	#ifdef EFAULT
[132]	376	if (tellme == EFAULT) p = _("Bad address.");
[1]	377	#endif
	378	#ifdef EINVAL
[132]	379	if (tellme == EINVAL) p = _("Invalid argument.");
[1]	380	#endif
	381	#ifdef EISDIR
[132]	382	if (tellme == EISDIR) p = _("Is a directory.");
[1]	383	#endif
	384	#ifdef EINTR
[132]	385	if (tellme == EINTR) p = _("System call was interrupted.");
[1]	386	#endif
	387	#ifdef EIO
[132]	388	if (tellme == EIO) p = _("Low-level I/O error.");
[1]	389	#endif
	390	#ifdef ELOOP
[132]	391	if (tellme == ELOOP) p = _("Too many symbolic links encountered.");
[1]	392	#endif
	393	#ifdef EMFILE
[132]	394	if (tellme == EMFILE) p = _("Too many open files.");
[1]	395	#endif
	396	#ifdef EMLINK
[132]	397	if (tellme == EMLINK) p = _("Too many links.");
[1]	398	#endif
	399	#ifdef ENAMETOOLONG
	400	if (tellme == ENAMETOOLONG)
[132]	401	p = _("File name too long.");
[1]	402	#endif
	403	#ifdef ENFILE
[132]	404	if (tellme == ENFILE) p = _("File table overflow.");
[1]	405	#endif
	406	#ifdef ENOENT
[132]	407	if (tellme == ENOENT) p = _("File does not exist.");
[1]	408	#endif
	409	#ifdef ENOMEM
[132]	410	if (tellme == ENOMEM) p = _("Out of memory.");
[1]	411	#endif
	412	#ifdef ENOSPC
[132]	413	if (tellme == ENOSPC) p = _("No space on device.");
[1]	414	#endif
	415	#ifdef ENOTDIR
[132]	416	if (tellme == ENOTDIR) p = _("Not a directory.");
[1]	417	#endif
	418	#ifdef ENOTSOCK
[132]	419	if (tellme == ENOTSOCK) p = _("Not a socket.");
[1]	420	#endif
	421	#ifdef EOPNOTSUPP
[132]	422	if (tellme == EOPNOTSUPP) p = _("Socket is not of type SOCK_STREAM.");
[1]	423	#endif
	424	#ifdef EPERM
[132]	425	if (tellme == EPERM) p = _("Permission denied.");
[1]	426	#endif
	427	#ifdef EPIPE
[132]	428	if (tellme == EPIPE) p = _("No read on pipe.");
[1]	429	#endif
	430	#ifdef EROFS
[132]	431	if (tellme == EROFS) p = _("Read-only file system.");
[1]	432	#endif
	433	#ifdef ETXTBSY
[132]	434	if (tellme == ETXTBSY) p = _("Text file busy.");
[1]	435	#endif
	436	#ifdef EWOULDBLOCK
	437	if (tellme == EWOULDBLOCK)
[132]	438	p = _("No connections on non-blocking socket.");
[1]	439	#endif
	440	#ifdef EXDEV
[132]	441	if (tellme == EXDEV) p = _("Not on same file system.");
[1]	442	#endif
[132]	443	if (!p) p = _("Unknown error");
	444	sl_strlcpy(str, p, len);
	445	return str;
[1]	446	#endif /* ifndef HAVE_STRERROR */
	447	}
	448
	449
	450	/* switch off file log
	451	*/
	452	void sh_error_logoff()
	453	{
	454	errFlags.HaveLog = BAD;
	455	return;
	456	}
	457
	458	/* switch on file log
	459	*/
	460	void sh_error_logrestore()
	461	{
	462	errFlags.HaveLog = GOOD;
	463	return;
	464	}
	465
	466	/* --- Relate priority levels to literals. ---
	467	*/
	468	typedef struct eef
	469	{
[170]	470	const char * str;
[1]	471	int val;
	472	} eef_struc;
	473
	474	static eef_struc eef_tab[] =
	475	{
	476	{ N_("none"), SH_ERR_NOT },
	477	{ N_("debug"), SH_ERR_ALL },
	478	{ N_("info"), SH_ERR_INFO },
	479	{ N_("notice"), SH_ERR_NOTICE },
	480	{ N_("warn"), SH_ERR_WARN },
	481	{ N_("mark"), SH_ERR_STAMP },
	482	{ N_("err"), SH_ERR_ERR },
	483	{ N_("crit"), SH_ERR_SEVERE },
	484	{ N_("alert"), SH_ERR_FATAL },
	485	#if defined(SH_WITH_SERVER)
	486	#define SH_EEF_MAX 10
	487	{ N_("inet"), SH_ERR_INET },
	488	#else
	489	#define SH_EEF_MAX 9
	490	#endif
	491	};
	492
[22]	493	int sh_error_convert_level (const char * str_s)
[1]	494	{
	495	int i;
	496	int level = (-1);
	497
	498	SL_ENTER(_("sh_error_convert_level"));
	499
	500	if (str_s == NULL)
	501	SL_RETURN( -1, _("sh_error_convert_level"));
	502
	503	for (i = 0; i < SH_EEF_MAX; ++i)
	504	{
	505	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
	506	sl_strlen(eef_tab[i].str)))
	507	{
	508	level = eef_tab[i].val;
	509	break;
	510	}
	511	}
	512
	513	SL_RETURN( level, _("sh_error_convert_level"));
	514	}
	515
	516
	517	/* --- Set severity levels. ---
	518	*/
[22]	519	int sh_error_set_iv (int iv, const char * str_s)
[1]	520	{
	521	int level = (-1);
	522
	523	SL_ENTER(_("sh_error_set_iv"));
	524
	525	if (IsInitialized == BAD)
	526	(void) sh_error_init();
	527
	528	level = sh_error_convert_level (str_s);
	529
	530	if (level == (-1))
	531	{
	532	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	533	_("severity"),
	534	str_s != NULL ? str_s : _("(NULL)"));
	535	SL_RETURN (-1, _("sh_error_set_iv"));
	536	}
	537
	538	if (iv > SH_ERR_T_START && iv < SH_ERR_T_END)
	539	{
	540	ShDFLevel[iv] = level;
	541	}
	542	else
	543	{
	544	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALL,
	545	_("severity"), (long) iv);
	546	SL_RETURN (-1, _("sh_error_set_iv"));
	547	}
	548	SL_RETURN (0, _("sh_error_set_iv"));
	549	}
	550
[20]	551	int sh_error_set_level(const char * str_in, int * facility)
[1]	552	{
	553	register int i, j, f = BAD;
	554
	555	int old_facility;
[20]	556	const char * str_s = str_in;
[1]	557
	558	SL_ENTER(_("sh_error_set_level"));
	559
	560	if (IsInitialized == BAD)
	561	(void) sh_error_init();
	562
	563	old_facility = *facility;
	564	*facility = 0;
	565
	566	checkstr:
	567
	568	if (str_s != NULL)
	569	{
	570	if (0 == sl_strncmp(str_s, _(eef_tab[0].str), sl_strlen(eef_tab[0].str)))
	571	{
	572	facility \|= eef_tab[0].val; / This is 'none' */
	573	for (i = 1; i < SH_EEF_MAX; ++i)
	574	*facility &= ~eef_tab[i].val;
	575	f = GOOD;
	576	}
	577	else if (str_s[0] == '') / all */
	578	{
	579	for (i = 1; i < SH_EEF_MAX; ++i)
	580	*facility \|= eef_tab[i].val;
	581	f = GOOD;
	582	}
	583	else if (str_s[0] == '=')
	584	{
	585	for (i = 1; i < SH_EEF_MAX; ++i)
	586	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
	587	sl_strlen(eef_tab[i].str)))
	588	{
	589	*facility \|= eef_tab[i].val;
	590	f = GOOD;
	591	}
	592	}
	593	else if (str_s[0] == '!')
	594	{
	595	if (str_s[1] == '*' \|\|
	596	0 == sl_strncmp(&str_s[1], _(eef_tab[1].str),
	597	sl_strlen(eef_tab[1].str)))
	598	{
	599	facility \|= eef_tab[0].val; / This is 'none' */
	600	for (i = 1; i < SH_EEF_MAX; ++i)
	601	*facility &= ~eef_tab[i].val;
	602	f = GOOD;
	603	}
	604	else if (str_s[1] == '=')
	605	{
	606	for (i = 1; i < SH_EEF_MAX; ++i)
	607	{
	608	if (0 == sl_strncmp(&str_s[2], _(eef_tab[i].str),
	609	sl_strlen(eef_tab[i].str)))
	610	{
	611	*facility &= ~eef_tab[i].val;
	612	f = GOOD;
	613	}
	614	}
	615	}
	616	else
	617	{
	618	for (i = 1; i < SH_EEF_MAX; ++i)
	619	{
	620	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
	621	sl_strlen(eef_tab[i].str)))
	622	{
	623	for (j = i; j < SH_EEF_MAX; ++j)
	624	{
	625	*facility &= ~eef_tab[j].val;
	626	}
	627	f = GOOD;
	628	}
	629	}
	630	}
	631	}
	632	else /* plain severity name */
	633	{
	634	for (i = 1; i < SH_EEF_MAX; ++i)
	635	{
	636	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
	637	sl_strlen(eef_tab[i].str)))
	638	{
	639	for (j = i; j < SH_EEF_MAX; ++j)
	640	{
	641	*facility \|= eef_tab[j].val;
	642	}
	643	f = GOOD;
	644	break;
	645	}
	646	}
	647	}
	648	}
	649
[383]	650	if (!str_s)
	651	{
	652	SL_RETURN ((-1), _("sh_error_set_level"));
	653	}
[1]	654	/* skip to end of string
	655	*/
	656	while (str_s != '\0' && str_s != ';' && *str_s != ',' &&
	657	str_s != ' ' && str_s != '\t')
	658	++str_s;
	659
	660	/* skip seperator
	661	*/
	662	while ((*str_s != '\0') &&
	663	(str_s == ';' \|\| str_s == ',' \|\| str_s == ' ' \|\| str_s == '\t'))
	664	++str_s;
	665
	666	if (*str_s != '\0')
	667	{
	668	f = BAD;
	669	goto checkstr;
	670	}
	671
	672	if (f == BAD)
	673	{
	674	*facility = old_facility;
	675	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	676	_("priority"), str_in);
	677	SL_RETURN (-1, _("sh_error_set_level"));
	678	}
	679	compute_flag_err_debug();
	680	compute_flag_err_info();
	681	SL_RETURN (0, _("sh_error_set_level"));
	682	}
	683
[27]	684	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	685	/* set severity for TCP export
	686	*/
[20]	687	int sh_error_setexport(const char * str_s)
[1]	688	{
	689	static int reject = 0;
	690	if (reject == 1)
	691	return (0);
	692
	693	if (sh.flag.opts == S_TRUE)
	694	reject = 1;
	695
	696	return (sh_error_set_level(str_s, &errFlags.exportlevel));
	697	}
	698	#endif
	699
	700	/* set severity for printing
	701	*/
	702	extern void dlog_set_active(int flag);
	703
[20]	704	int sh_error_setprint(const char * str_s)
[1]	705	{
	706	static int reject = 0;
	707	int retval;
	708
	709	if (reject == 1)
	710	return (0);
	711
	712	if (sh.flag.opts == S_TRUE)
	713	reject = 1;
	714
	715	retval = sh_error_set_level(str_s, &errFlags.printlevel);
	716
	717	if (0 != (errFlags.printlevel & SH_ERR_INFO))
	718	dlog_set_active(1);
	719	if (0 != (errFlags.printlevel & SH_ERR_ALL))
	720	dlog_set_active(2);
	721	return retval;
	722	}
	723
	724
	725	/* set level for error logging
	726	*/
[20]	727	int sh_error_setlog(const char * str_s)
[1]	728	{
	729	static int reject = 0;
	730	if (reject == 1)
	731	return (0);
	732
	733	if (sh.flag.opts == S_TRUE)
	734	reject = 1;
	735
	736	return ( sh_error_set_level(str_s, &errFlags.loglevel) );
	737	}
	738
	739
	740	/* set severity for syslog
	741	*/
[20]	742	int sh_error_set_syslog (const char * str_s)
[1]	743	{
	744	static int reject = 0;
	745	if (reject == 1)
	746	return (0);
	747
	748	if (sh.flag.opts == S_TRUE)
	749	reject = 1;
	750
	751	return (sh_error_set_level(str_s, &errFlags.sysloglevel));
	752	}
	753
	754	#if defined(WITH_EXTERNAL)
	755	/* set severity for external
	756	*/
[20]	757	int sh_error_set_external (const char * str_s)
[1]	758	{
	759	static int reject = 0;
	760	if (reject == 1)
	761	return (0);
	762
	763	if (sh.flag.opts == S_TRUE)
	764	reject = 1;
	765
	766	return (sh_error_set_level(str_s, &errFlags.externallevel));
	767	}
	768	#endif
	769
	770	#if defined(WITH_DATABASE)
	771	/* set severity for database
	772	*/
[20]	773	int sh_error_set_database (const char * str_s)
[1]	774	{
	775	static int reject = 0;
	776	if (reject == 1)
	777	return (0);
	778
	779	if (sh.flag.opts == S_TRUE)
	780	reject = 1;
	781
	782	return (sh_error_set_level(str_s, &errFlags.databaselevel));
	783	}
	784	#endif
	785
	786	#if defined(HAVE_LIBPRELUDE)
	787	/* set severity for prelude
	788	*/
[20]	789	int sh_error_set_prelude (const char * str_s)
[1]	790	{
	791	static int reject = 0;
	792
	793	if (reject == 1)
	794	return (0);
	795
	796	if (sh.flag.opts == S_TRUE)
	797	reject = 1;
	798
	799	return sh_error_set_level(str_s, &errFlags.preludelevel);
	800	}
	801	#endif
	802
	803	/* init or re-init log facilities that need it
	804	*/
[170]	805	void sh_error_fixup(void)
[1]	806	{
[181]	807	#if defined(HAVE_LIBPRELUDE)
[1]	808	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
	809	sh_prelude_init();
	810	else
	811	sh_prelude_stop();
	812	#endif
	813	#ifdef WITH_DATABASE
	814	sh_database_reset();
	815	#endif
	816	return;
	817	}
	818
	819	/* to be called from sh_prelude_reset
	820	*/
[170]	821	void sh_error_init_prelude(void)
[1]	822	{
[181]	823	#if defined(HAVE_LIBPRELUDE)
[1]	824	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
	825	sh_prelude_init();
	826	else
	827	sh_prelude_stop();
	828	#endif
	829	return;
	830	}
	831
	832
	833	/* set severity for mailing
	834	*/
[20]	835	int sh_error_setseverity (const char * str_s)
[1]	836	{
	837	static int reject = 0;
	838	if (reject == 1)
	839	return (0);
	840
	841	if (sh.flag.opts == S_TRUE)
	842	reject = 1;
	843
	844	return (sh_error_set_level(str_s, &errFlags.maillevel));
	845	}
	846
	847	#ifdef SH_WITH_SERVER
	848	static char inet_peer[SH_MINIBUF] = { '\0' };
[283]	849	#ifdef HAVE_LIBPRELUDE
	850	static char inet_peer_ip[SH_IP_BUF] = { '\0' };
[1]	851
[283]	852	void sh_error_set_peer_ip(const char * str)
	853	{
	854	if (str == NULL)
	855	inet_peer_ip[0] = '\0';
	856	else
	857	sl_strlcpy(inet_peer_ip, str, sizeof(inet_peer_ip));
	858	}
	859	#endif
	860
[1]	861	void sh_error_set_peer(const char * str)
	862	{
	863	if (str == NULL)
[11]	864	inet_peer[0] = '\0';
[1]	865	else
[283]	866	sl_strlcpy(inet_peer, str, sizeof(inet_peer));
[1]	867	}
	868	#endif
	869
	870
	871	/**********************************************************
	872	**********************************************************
	873	*
	874	* -------- MAIN ERROR HANDLING FUNCTION -----------------
	875	*
	876	*
	877	* this function should be called to report an error
	878	*
	879	**********************************************************
	880	**********************************************************/
	881
[140]	882	SH_MUTEX_RECURSIVE(mutex_err_handle);
	883
[170]	884	void sh_error_handle (int sev, const char * file, long line,
[1]	885	long status, unsigned long msg_id, ...)
	886	{
	887	va_list vl; /* argument list */
	888	struct _log_t * lmsg;
	889
	890	int severity;
	891	unsigned int class;
	892	char * fmt;
	893
[170]	894	int flag_inet;
[1]	895
	896	#ifdef SH_WITH_SERVER
[140]	897	int class_inet = clt_class; /* initialize from global */
[1]	898	char local_inet_peer[SH_MINIBUF];
[283]	899	#ifdef HAVE_LIBPRELUDE
	900	char local_inet_peer_ip[SH_IP_BUF];
	901	#endif
[1]	902	#endif
	903
[27]	904	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	905	char * ex_msg;
	906	#endif
	907	#if defined(WITH_DATABASE)
	908	char * escape_msg;
	909	#endif
	910
	911	static int own_block = 0;
	912
	913	/*
	914	* Block a facility for errors generated
	915	* within that facility.
	916	*/
	917	static int print_block = 0;
	918	#if defined(SH_WITH_MAIL)
	919	static int mail_block = 0;
	920	#endif
	921	static int syslog_block = 0;
	922	static int log_block = 0;
[27]	923	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	924	static int export_block = 0;
	925	#endif
	926	#if defined(WITH_EXTERNAL)
	927	static int external_block = 0;
	928	#endif
	929	#if defined(WITH_DATABASE)
	930	static int database_block = 0;
	931	#endif
	932	#ifdef HAVE_LIBPRELUDE
	933	static int prelude_block = 0;
	934	#endif
	935
	936	SL_ENTER(_("sh_error_handle"));
	937
[140]	938	SH_MUTEX_RECURSIVE_INIT(mutex_err_handle);
	939	SH_MUTEX_RECURSIVE_LOCK(mutex_err_handle);
	940
[1]	941	#ifdef SH_WITH_SERVER
	942	/* copy the global string into a local array
	943	*/
	944	if ((msg_id == MSG_TCP_MSG) && (inet_peer[0] != '\0'))
	945	{
[283]	946	sl_strlcpy(local_inet_peer, inet_peer, sizeof(local_inet_peer));
[1]	947	sh_error_set_peer(NULL);
	948	}
	949	else
	950	local_inet_peer[0] = '\0';
	951
[283]	952	#ifdef HAVE_LIBPRELUDE
	953	if ((msg_id == MSG_TCP_MSG) && (inet_peer_ip[0] != '\0'))
	954	{
	955	sl_strlcpy(local_inet_peer_ip, inet_peer_ip, sizeof(local_inet_peer_ip));
	956	sh_error_set_peer_ip(NULL);
	957	}
	958	else
	959	local_inet_peer_ip[0] = '\0';
	960	#endif
	961
[1]	962	clt_class = (-1); /* reset global */
[140]	963	#endif
[1]	964
[140]	965
[1]	966	if (own_block == 1)
	967	{
[140]	968	goto exit_here;
[1]	969	}
	970
	971	/* --- Initialize to default values. ---
	972	*/
	973	if (IsInitialized == BAD)
	974	(void) sh_error_init();
	975
[140]	976	/* Returns pointer to (constant\|thread-specific) static memory
[1]	977	*/
	978	fmt = /@i@/get_format (msg_id, &severity, &class);
	979
[140]	980	#ifdef SH_WITH_SERVER
[1]	981	if (class_inet != (-1))
	982	class = (unsigned int) class_inet;
[140]	983	#endif
[1]	984
[140]	985	/* --- Consistency check. ---
	986	*/
[1]	987	ASSERT((fmt != NULL), _("fmt != NULL"))
	988	if (fmt == NULL)
	989	{
	990	fprintf(stderr,
	991	_("ERROR: msg=<NULL format>, file=<%s>, line=<%ld>\n"),
	992	file, line);
[140]	993	goto exit_here;
[1]	994	}
	995
	996	/* --- Override the catalogue severity. ---
	997	*/
	998	if (sev != (-1))
	999	severity = sev;
	1000
[405]	1001	/* --- Some statistics. ---
	1002	*/
	1003	#if defined (SH_WITH_CLIENT) \|\| defined (SH_STANDALONE)
	1004	if ( ((1 << class) & ERROR_CLA) &&
	1005	(severity & (SH_ERR_ERR\|SH_ERR_SEVERE\|SH_ERR_FATAL)))
	1006	{
	1007	++sh.statistics.files_error;
	1008	}
	1009	#endif
	1010
[27]	1011	/* these are messages from remote sources
	1012	*/
[1]	1013	if ((severity & SH_ERR_INET) != 0)
	1014	{
	1015	flag_inet = S_TRUE;
	1016	}
[170]	1017	else
	1018	{
	1019	flag_inet = S_FALSE;
	1020	}
[1]	1021
	1022	/* --- Messages not wanted for logging. ---
	1023	*/
	1024	if ( ( (errFlags.printlevel & severity ) == 0 \|\|
	1025	(errFlags.print_class & (1 << class)) == 0 ) &&
	1026	( (errFlags.loglevel & severity ) == 0 \|\|
	1027	(errFlags.log_class & (1 << class)) == 0 ) &&
	1028	( (errFlags.sysloglevel & severity ) == 0 \|\|
	1029	(errFlags.syslog_class & (1 << class)) == 0 ) &&
[27]	1030	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_CLIENT)
[1]	1031	( (errFlags.exportlevel & severity ) == 0 \|\|
	1032	(errFlags.export_class & (1 << class)) == 0 ) &&
	1033	#endif
	1034	#ifdef WITH_EXTERNAL
	1035	( (errFlags.externallevel & severity ) == 0 \|\|
	1036	(errFlags.external_class & (1 << class)) == 0 ) &&
	1037	#endif
	1038	#ifdef HAVE_LIBPRELUDE
	1039	( (errFlags.preludelevel & severity ) == 0 \|\|
	1040	(errFlags.prelude_class & (1 << class)) == 0 ) &&
	1041	#endif
	1042	#ifdef WITH_DATABASE
	1043	( (errFlags.databaselevel & severity ) == 0 \|\|
	1044	(errFlags.database_class & (1 << class)) == 0 ) &&
	1045	#endif
	1046	( (errFlags.maillevel & severity ) == 0 \|\|
	1047	(errFlags.mail_class & (1 << class)) == 0 )
	1048	#ifdef SH_WITH_SERVER
[27]	1049	&& (flag_inet == S_FALSE) /* still log messages from remote sources */
[1]	1050	#endif
	1051	)
	1052	{
[140]	1053	goto exit_here;
[1]	1054	}
	1055
	1056	if ((severity & SH_ERR_NOT) != 0)
	1057	{
[140]	1058	goto exit_here;
[1]	1059	}
	1060
	1061
	1062	/* Allocate space for the message.
	1063	*/
	1064	own_block = 1;
	1065	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
	1066	MLOCK( (char *) lmsg, sizeof(struct _log_t));
	1067	/@i@/lmsg->msg = NULL;
	1068
	1069	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
	1070	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
	1071	lmsg->severity = severity;
	1072	lmsg->class = (int) class;
	1073	lmsg->line = line;
	1074	lmsg->status = status;
	1075
	1076	/* Format the log message with timestamp etc.
	1077	* Allocate lmsg->msg
	1078	*/
	1079	va_start (vl, msg_id);
	1080	(void) sh_error_string (lmsg, vl);
	1081	va_end (vl);
	1082	own_block = 0;
	1083
	1084
	1085	/* Log to stderr.
	1086	*/
	1087	if ( ((errFlags.printlevel & severity) != 0 &&
	1088	(errFlags.print_class & (1 << class)) != 0 &&
	1089	(errFlags.printlevel & SH_ERR_NOT) == 0)
	1090	#ifdef SH_WITH_SERVER
	1091	\|\| (flag_inet == S_TRUE)
	1092	#endif
	1093	)
	1094	{
	1095	if (print_block == 0 && (errFlags.printlevel & SH_ERR_NOT) == 0)
	1096	{
	1097	/* no truncation
	1098	*/
	1099	print_block = 1;
	1100	TPT(( 0, FIL__, __LINE__, lmsg->msg));
	1101	/*
	1102	* Reports first error after failure. Always tries.
	1103	*/
	1104	(void) sh_log_console (lmsg->msg);
	1105	print_block = 0;
	1106	}
	1107	}
	1108
	1109
	1110	/* Full logging enabled.
	1111	*/
[86]	1112	if (OnlyStderr == S_FALSE) /* full error logging enabled */
[1]	1113	{
	1114
	1115	/* Log to syslog.
	1116	*/
	1117	if ( (errFlags.sysloglevel & severity) != 0 &&
	1118	(errFlags.syslog_class & (1 << class)) != 0 &&
	1119	#ifndef INET_SYSLOG
	1120	(flag_inet != S_TRUE) && /* !inet->syslog */
	1121	#endif
	1122	(errFlags.sysloglevel & SH_ERR_NOT) == 0 )
	1123	{
	1124	/* will truncate to 1023 bytes
	1125	*/
	1126	if (syslog_block == 0)
	1127	{
	1128	syslog_block = 1;
	1129	/*
	1130	* Ignores errors. Always tries.
	1131	*/
	1132	(void) sh_log_syslog (lmsg->severity, lmsg->msg);
	1133	syslog_block = 0;
	1134	}
	1135	}
	1136
	1137	#if defined(WITH_EXTERNAL)
	1138	/*
	1139	* -- external facility
	1140	*/
	1141	if ((errFlags.externallevel & severity) != 0 &&
	1142	(errFlags.external_class & (1 << class)) != 0 &&
	1143	(errFlags.externallevel & SH_ERR_NOT) == 0 &&
	1144	class != AUD)
	1145	{
	1146	if (external_block == 0)
	1147	{
	1148	/* no truncation
	1149	*/
	1150	external_block = 1;
	1151	/*
	1152	* Reports first error after failure. Always tries.
	1153	*/
	1154	(void) sh_ext_execute ('l', 'o', 'g', lmsg->msg, 0);
	1155	external_block = 0;
	1156	}
	1157	}
	1158	#endif
	1159
	1160	#if defined(WITH_DATABASE)
	1161	/*
	1162	* -- database facility
	1163	*/
	1164	if ((errFlags.databaselevel & severity) != 0 &&
	1165	(errFlags.database_class & (1 << class)) != 0 &&
	1166	(errFlags.databaselevel & SH_ERR_NOT) == 0 &&
	1167	class != AUD)
	1168	{
[86]	1169	if (database_block == 0 && enableUnsafe == S_TRUE)
[1]	1170	{
	1171	/* truncates; query_max is 16k
	1172	*/
	1173	database_block = 1;
	1174	#ifndef SH_STANDALONE
	1175	if (msg_id == MSG_TCP_MSG
	1176	#ifdef INET_SYSLOG
	1177	\|\| msg_id == MSG_INET_SYSLOG
	1178	#endif
	1179	)
	1180	{
	1181	/* do not escape twice
	1182	*/
	1183	/*
	1184	* Reports failure every 60 min. Always tries.
	1185	*/
	1186	(void) sh_database_insert (lmsg->msg);
	1187	}
	1188	else
	1189	#endif
	1190	{
	1191	escape_msg = sh_tools_safe_name(lmsg->msg, 0);
	1192	/*
	1193	* Reports failure every 60 min. Always tries.
	1194	*/
	1195	(void) sh_database_insert (escape_msg);
	1196	SH_FREE(escape_msg);
	1197	}
	1198	database_block = 0;
	1199	}
	1200	}
	1201	#endif
	1202
	1203	/****************************************************
	1204	* Optionally include client code for TCP forwarding
	1205	* to log server
	1206	****************************************************/
[27]	1207	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	1208	/* Export by TCP.
	1209	*/
[27]	1210
	1211	if ( ((errFlags.exportlevel & severity ) != 0 &&
	1212	(errFlags.export_class & (1 << class)) != 0 &&
	1213	(errFlags.exportlevel & SH_ERR_NOT) == 0 &&
	1214	class != AUD )
	1215	#ifdef SH_WITH_SERVER
[65]	1216	/* always log inet to export */
	1217	\|\| (flag_inet == S_TRUE && sh.srvexport.name[0] != '\0')
[27]	1218	#endif
	1219	/* sh.flag.isserver != GOOD && */
	1220	/* (flag_inet == S_FALSE) / / don't log inet to export */
	1221	)
[1]	1222	{
	1223	if (export_block == 0)
	1224	{
	1225	int retval;
[22]	1226	size_t ex_len;
[1]	1227
	1228	/* will truncate to 65280 bytes
	1229	*/
	1230	export_block = 1;
[34]	1231	/* ex_len = 64 + sl_strlen(lmsg->msg) + 1; */
	1232	ex_len = sl_strlen(lmsg->msg);
	1233	if (sl_ok_adds(ex_len, 65))
	1234	ex_len = 64 + ex_len + 1;
[22]	1235	ex_msg = SH_ALLOC (ex_len);
	1236
	1237	sl_snprintf(ex_msg, ex_len, _("%d?%u?%s"),
	1238	severity, class, lmsg->msg);
[1]	1239	retval = sh_forward (ex_msg);
	1240	SH_FREE(ex_msg);
	1241	export_block = 0;
	1242	if (retval == -2)
	1243	{
	1244	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
	1245	_("log server"));
	1246	}
	1247	}
	1248	}
	1249	#endif
	1250
	1251
	1252	/* Log to mail.
	1253	*/
	1254	#if defined(SH_WITH_MAIL)
	1255	if ((errFlags.maillevel & severity ) != 0 &&
	1256	(errFlags.mail_class & (1 << class)) != 0 &&
	1257	(errFlags.maillevel & SH_ERR_NOT) == 0 &&
	1258	class != AUD &&
	1259	(flag_inet == S_FALSE) ) /* don't log inet to email */
	1260	{
	1261	if (mail_block == 0)
	1262	{
	1263	int retval;
	1264
	1265	/* will truncate to 998 bytes
	1266	*/
	1267	mail_block = 1;
	1268
[214]	1269	BREAKEXIT(sh_nmail_msg);
[1]	1270	if ( (severity & SH_ERR_FATAL) == 0)
[214]	1271	retval = sh_nmail_pushstack (severity, lmsg->msg, NULL);
[1]	1272	else
[214]	1273	retval = sh_nmail_msg (severity, lmsg->msg, NULL);
[1]	1274
	1275	mail_block = 0;
	1276	if (retval == -2)
	1277	{
	1278	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
	1279	_("email"));
	1280	}
	1281	}
	1282	}
	1283	#endif
	1284
	1285	#ifdef HAVE_LIBPRELUDE
	1286	if (((errFlags.preludelevel & severity ) != 0 &&
	1287	(errFlags.prelude_class & (1 << class)) != 0 &&
	1288	(errFlags.preludelevel & SH_ERR_NOT) == 0 &&
	1289	(class != AUD))
	1290	#ifdef SH_WITH_SERVER
	1291	\|\| (flag_inet == S_TRUE)
	1292	#endif
	1293	)
	1294	{
[86]	1295	if (prelude_block == 0 && enableUnsafe == S_TRUE)
[1]	1296	{
	1297	/* will truncate to 998 bytes
	1298	*/
	1299	prelude_block = 1;
	1300
	1301	BREAKEXIT(sh_prelude_alert);
	1302	/*
	1303	* Reports first error after failure. Always tries.
	1304	*/
[283]	1305	#if defined(HAVE_LIBPRELUDE) && defined(SH_WITH_SERVER)
	1306	(void) sh_prelude_alert (severity, (int) class,
	1307	lmsg->msg, lmsg->status, msg_id,
	1308	local_inet_peer_ip);
	1309	#else
	1310	(void) sh_prelude_alert (severity, (int) class,
	1311	lmsg->msg, lmsg->status, msg_id,
	1312	NULL);
	1313	#endif
[1]	1314	prelude_block = 0;
	1315	}
	1316	}
	1317	#endif
	1318
	1319	/* Log to logfile
	1320	*/
	1321
	1322	if ( ( ( (errFlags.loglevel & severity) != 0 &&
	1323	(errFlags.log_class & (1 << class)) != 0 &&
	1324	(errFlags.loglevel & SH_ERR_NOT) == 0 )
	1325	#ifdef SH_WITH_SERVER
	1326	\|\| (flag_inet == S_TRUE)
	1327	#endif
	1328	) &&
	1329	class != AUD &&
	1330	(errFlags.HaveLog != BAD) && /* temporary switched off */
	1331	(severity & SH_ERR_NOT) == 0 /* paranoia */
	1332	)
	1333	{
	1334	if (log_block == 0)
	1335	{
	1336	/* no truncation
	1337	*/
	1338	log_block = 1;
	1339	BREAKEXIT(sh_log_file);
	1340	#ifdef SH_WITH_SERVER
	1341	if (0 != sl_ret_euid())
	1342	{
	1343	/*
	1344	* Reports first error after failure. Always tries.
	1345	*/
	1346	if (local_inet_peer[0] == '\0')
	1347	(void) sh_log_file (lmsg->msg, NULL);
	1348	else
[283]	1349	(void) sh_log_file (lmsg->msg, local_inet_peer);
[1]	1350	}
	1351	#else
	1352	(void) sh_log_file (lmsg->msg, NULL);
	1353	#endif
	1354	/* sh_log_file (lmsg->msg); */
	1355	log_block = 0;
	1356	}
	1357	}
	1358
	1359	}
	1360
	1361	/* Cleanup.
	1362	*/
	1363	own_block = 1;
	1364
	1365	if (lmsg->msg)
	1366	SH_FREE( lmsg->msg );
	1367
	1368	memset ( lmsg, (int) '\0', sizeof(struct _log_t) );
	1369	MUNLOCK( (char *) lmsg, sizeof(struct _log_t) );
	1370	SH_FREE( lmsg );
	1371	own_block = 0;
	1372
[140]	1373	exit_here:
[144]	1374	; /* label at end of compound statement */
[140]	1375	SH_MUTEX_RECURSIVE_UNLOCK(mutex_err_handle);
	1376
[1]	1377	/@i@/SL_RET0(_("sh_error_handle"));
	1378	/@i@/}
	1379
[272]	1380	#if defined(SH_WITH_MAIL)
	1381	void sh_error_mail (const char * alias, int sev,
	1382	const char * file, long line,
	1383	long status, unsigned long msg_id, ...)
	1384	{
	1385	va_list vl; /* argument list */
	1386	struct _log_t * lmsg;
[1]	1387
[272]	1388	int severity;
	1389	unsigned int class;
	1390	char * fmt;
	1391	int retval;
	1392
	1393	SL_ENTER(_("sh_error_mail"));
	1394
	1395	/* Returns pointer to (constant\|thread-specific) static memory
	1396	*/
	1397	fmt = /@i@/get_format (msg_id, &severity, &class);
	1398
	1399	if (!fmt)
	1400	{
	1401	SL_RET0(_("sh_error_mail"));
	1402	}
	1403
	1404	/* --- Override the catalogue severity. ---
	1405	*/
	1406	if (sev != (-1))
	1407	severity = sev;
	1408
	1409	/* --- Build the message. ---
	1410	*/
	1411	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
	1412	MLOCK( (char *) lmsg, sizeof(struct _log_t));
	1413	/@i@/lmsg->msg = NULL;
	1414
	1415	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
	1416	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
	1417	lmsg->severity = severity;
	1418	lmsg->class = (int) class;
	1419	lmsg->line = line;
	1420	lmsg->status = status;
	1421
	1422	/* Format the log message with timestamp etc.
	1423	* Allocate lmsg->msg
	1424	*/
	1425	va_start (vl, msg_id);
	1426	(void) sh_error_string (lmsg, vl);
	1427	va_end (vl);
	1428
	1429	if ( (severity & SH_ERR_FATAL) == 0)
	1430	retval = sh_nmail_pushstack (severity, lmsg->msg, alias);
	1431	else
	1432	retval = sh_nmail_msg (severity, lmsg->msg, alias);
	1433
	1434	if (retval == -2)
	1435	{
	1436	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
	1437	_("email"));
	1438	}
	1439	SL_RET0(_("sh_error_mail"));
	1440	}
	1441	#else
	1442	void sh_error_mail (const char * alias, int sev,
	1443	const char * file, long line,
	1444	long status, unsigned long msg_id, ...)
	1445	{
	1446	(void) alias;
	1447	(void) sev;
	1448	(void) file;
	1449	(void) line;
	1450	(void) status;
	1451	(void) msg_id;
	1452
	1453	return;
	1454	}
	1455	/* defined(SH_WITH_MAIL) */
	1456	#endif
	1457
[1]	1458	/* -------------------------
	1459	*
	1460	* private functions below
	1461	*
	1462	* -------------------------
	1463	*/
	1464
	1465
	1466	/* --- Get the format from the message catalog. ---
	1467	*/
	1468	/@owned@/ /@null@/inline
	1469	static char * get_format(unsigned long msg_id, /@out@/ int * priority,
	1470	/@out@/unsigned int * class)
	1471	{
	1472	int i = 0;
	1473
	1474	SL_ENTER(_("get_format"));
	1475	while (1 == 1)
	1476	{
	1477	if ( msg_cat[i].format == NULL )
	1478	break;
	1479
	1480	if ( (unsigned long) msg_cat[i].id == msg_id)
	1481	{
	1482	*priority = (int) msg_cat[i].priority;
	1483	*class = (unsigned int) msg_cat[i].class;
[170]	1484	SL_RETURN (((char *) _(msg_cat[i].format)), _("get_format"));
[1]	1485	}
	1486	++i;
	1487	}
	1488	*priority = SH_ERR_ERR;
	1489	*class = ERR;
	1490	SL_RETURN (NULL, _("get_format"));
	1491	}
	1492
	1493	/@null@//@only@/static char * ehead_format = NULL;
	1494
	1495	/* allocate space for user-defined message header
	1496	*/
[22]	1497	int sh_error_ehead (/@null@/const char * str_s)
[1]	1498	{
	1499	size_t size;
[22]	1500	const char * s;
[1]	1501
	1502	SL_ENTER(_("sh_error_ehead"));
	1503
	1504	if (str_s == NULL)
	1505	{
	1506	SL_RETURN (-1, _("sh_error_ehead"));
	1507	}
	1508
	1509	/* ascii 34 ist t\"ttelchen
	1510	*/
	1511	/@i@/ if (str_s[0] == 34) s = &str_s[1];
	1512	else s = str_s;
	1513
	1514	size = /@i@/strlen(s);
[22]	1515	if (/@i@/s[size-1] == (char) 34) --size; /* truncate */
[1]	1516
	1517	if (ehead_format != NULL)
	1518	SH_FREE(ehead_format);
	1519
	1520	/@i@/ehead_format = SH_ALLOC(size+1);
	1521	/@i@/ (void) sl_strlcpy(ehead_format, s, size+1);
	1522
	1523	SL_RETURN( 0, _("sh_error_ehead"));
	1524	}
	1525
	1526	#if !defined(VA_COPY)
	1527	#if defined(__GNUC__) && defined(__PPC__) && (defined(_CALL_SYSV) \|\| defined(_WIN32))
	1528	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
	1529	#elif defined(VA_COPY_AS_ARRAY)
	1530	#define VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
	1531	#else /* va_list is a pointer */
	1532	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
	1533	#endif
	1534	#endif
	1535
	1536
	1537	/* print an error into string
	1538	*/
	1539	static int sh_error_string (struct _log_t * lmsg, va_list vl)
	1540	{
	1541	size_t len;
	1542	int required;
	1543	unsigned long line;
	1544	char sev[16] = "";
	1545	char cla[16] = "";
	1546	char tst[64] = "";
	1547	char *p;
	1548	va_list vl2;
	1549
	1550	st_format rep_ehead_tab[] = {
	1551	{ 'S', S_FMT_STRING, 0, 0, NULL}, /* severity */
	1552	{ 'T', S_FMT_STRING, 0, 0, NULL}, /* timestamp */
	1553	{ 'F', S_FMT_STRING, 0, 0, NULL}, /* file */
	1554	{ 'L', S_FMT_ULONG, 0, 0, NULL}, /* line */
	1555	{ 'C', S_FMT_STRING, 0, 0, NULL}, /* class */
	1556	{ 'E', S_FMT_LONG, 0, 0, NULL}, /* status */
	1557	{'\0', S_FMT_ULONG, 0, 0, NULL},
	1558	};
	1559
	1560	SL_ENTER(_("sh_error_string"));
	1561
	1562	if (ehead_format == NULL)
	1563	{
	1564	ehead_format = SH_ALLOC(64);
	1565	#ifdef SH_USE_XML
	1566	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
	1567	(void) sl_strlcpy(ehead_format,
	1568	_("<log sev=\"%S\" tstamp=\"%T\" "), 64);
	1569	else
	1570	(void) sl_strlcpy(ehead_format,
	1571	_("<log sev=\"%S\" tstamp=\"%T\" p.f=\"%F\" p.l=\"%L\" p.s=\"%E\" "), 64);
	1572	#else
	1573	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
	1574	(void) sl_strlcpy(ehead_format, _("%S %T "), 64);
	1575	else
	1576	(void) sl_strlcpy(ehead_format, _("%S %T (%F, %L, %E) "), 64);
	1577	#endif
	1578	}
	1579
	1580	/* header of error message
	1581	*/
	1582	#ifdef SH_USE_XML
	1583	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1584	(void) sl_strlcpy (sev, _("RCVT"), 11);
	1585	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
	1586	(void) sl_strlcpy (sev, _("DEBG"), 11);
	1587	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
	1588	(void) sl_strlcpy (sev, _("INFO"), 11);
	1589	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
	1590	(void) sl_strlcpy (sev, _("NOTE"), 11);
	1591	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
	1592	(void) sl_strlcpy (sev, _("WARN"), 11);
	1593	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
	1594	(void) sl_strlcpy (sev, _("MARK"), 11);
	1595	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
	1596	(void) sl_strlcpy (sev, _("ERRO"), 11);
	1597	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
	1598	(void) sl_strlcpy (sev, _("CRIT"), 11);
	1599	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
	1600	(void) sl_strlcpy (sev, _("ALRT"), 11);
	1601	else {
	1602	(void) sl_strlcpy (sev, _("????"), 11);
	1603	#else
	1604	#if defined(INET_SYSLOG)
	1605	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1606	(void) sl_strlcpy (sev, _("<NET> : "), 11);
	1607	#else
	1608	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1609	(void) sl_strlcpy (sev, _("<TCP> : "), 11);
	1610	#endif
	1611	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
	1612	(void) sl_strlcpy (sev, _("DEBUG : "), 11);
	1613	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
	1614	(void) sl_strlcpy (sev, _("INFO : "), 11);
	1615	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
	1616	(void) sl_strlcpy (sev, _("NOTICE : "), 11);
	1617	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
	1618	(void) sl_strlcpy (sev, _("WARN : "), 11);
	1619	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
	1620	(void) sl_strlcpy (sev, _("MARK : "), 11);
	1621	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
	1622	(void) sl_strlcpy (sev, _("ERROR : "), 11);
	1623	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
	1624	(void) sl_strlcpy (sev, _("CRIT : "), 11);
	1625	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
	1626	(void) sl_strlcpy (sev, _("ALERT : "), 11);
	1627	else {
	1628	(void) sl_strlcpy (sev, _("??? : "), 11);
	1629	#endif
	1630	}
	1631
[132]	1632	(void) sh_unix_time (0, tst, 64);
[1]	1633	line = (unsigned long) lmsg->line;
	1634	(void) sl_strlcpy (cla, _(class_cat[lmsg->class]), 11);
	1635
	1636	/@i@/rep_ehead_tab[0].data_str = sev;
	1637	/@i@/rep_ehead_tab[1].data_str = tst;
	1638	/@i@/rep_ehead_tab[2].data_str = lmsg->file;
	1639	/@i@/rep_ehead_tab[3].data_ulong = line;
	1640	/@i@/rep_ehead_tab[4].data_str = cla;
	1641	/@i@/rep_ehead_tab[5].data_long = lmsg->status;
	1642
	1643	p = /@i@/sh_util_formatted(ehead_format, rep_ehead_tab);
	1644
	1645	/* --- copy the header to lmsg->msg ---
	1646	*/
	1647	/@i@/lmsg->msg = SH_ALLOC(SH_BUFSIZE);
	1648	lmsg->msg_len = SH_BUFSIZE;
	1649
	1650	if (p)
	1651	{
	1652	(void) sl_strlcpy (lmsg->msg, p, SH_BUFSIZE);
	1653	SH_FREE(p);
	1654	}
	1655	else
	1656	{
	1657	lmsg->msg[0] = '\0';
	1658	}
	1659
	1660
	1661	/* --- copy message to lmsg->msg ---
	1662	*/
	1663	if ( NULL == strchr(lmsg->format, '%') )
	1664	{
	1665	(void) sl_strlcat (lmsg->msg, lmsg->format, (size_t) lmsg->msg_len);
	1666	}
	1667	else
	1668	{
	1669	/* use VA_COPY */
	1670	/@i@/VA_COPY(vl2, vl);
	1671	len = sl_strlen(lmsg->msg);
	1672	/@i@/required = sl_vsnprintf(&(lmsg->msg[len]),
[22]	1673	(lmsg->msg_len - len), lmsg->format, vl);
[170]	1674
[34]	1675	if ((required >= 0) &&
	1676	sl_ok_adds(required, len) &&
	1677	sl_ok_adds((required+len), 4) &&
	1678	((required + len) > (lmsg->msg_len - 4)) )
[1]	1679	{
	1680	/@i@/p = SH_ALLOC(required + len + 4);
	1681	(void) sl_strlcpy (p, lmsg->msg, required + len + 1);
	1682	SH_FREE(lmsg->msg);
	1683	lmsg->msg = p;
	1684	lmsg->msg_len = required + len + 4;
	1685	(void) sl_vsnprintf(&(lmsg->msg[len]),
[170]	1686	(required + 1), lmsg->format, vl2);
[1]	1687	}
	1688	va_end(vl2);
	1689	}
	1690
	1691	#ifdef SH_USE_XML
	1692	/* closing tag
	1693	*/
	1694	if (lmsg->msg[sl_strlen(lmsg->msg)-1] != '>')
	1695	(void) sl_strlcat (lmsg->msg, _(" />"), lmsg->msg_len);
	1696	#endif
	1697
	1698	SL_RETURN(0, _("sh_error_string"));
	1699	}
	1700
	1701
	1702
	1703
	1704	/* --- Initialize. ---
	1705	*/
	1706	static int sh_error_init ()
	1707	{
	1708	register int j;
	1709
	1710	SL_ENTER(_("sh_error_init"));
	1711
	1712	errFlags.debug = 0;
	1713	errFlags.HaveLog = GOOD;
	1714	errFlags.sysloglevel = SH_ERR_NOT;
	1715	#if defined(SH_STEALTH)
	1716	errFlags.loglevel = SH_ERR_NOT;
	1717	#else
	1718	errFlags.loglevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1719	SH_ERR_FATAL);
	1720	#endif
	1721	errFlags.externallevel = SH_ERR_NOT;
	1722	errFlags.databaselevel = SH_ERR_NOT;
	1723	errFlags.preludelevel = SH_ERR_NOT;
	1724	errFlags.maillevel = SH_ERR_FATAL;
	1725	#if defined(SH_STEALTH)
	1726	errFlags.printlevel = SH_ERR_NOT;
	1727	#else
	1728	errFlags.printlevel = (SH_ERR_INFO \| SH_ERR_NOTICE \| SH_ERR_WARN \|
	1729	SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1730	SH_ERR_FATAL);
[5]	1731	flag_err_info = SL_TRUE;
[1]	1732	#endif
[65]	1733
	1734	#if defined(SH_WITH_SERVER)
	1735	errFlags.exportlevel = SH_ERR_NOT;
	1736	#else
[1]	1737	errFlags.exportlevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1738	SH_ERR_FATAL);
[65]	1739	#endif
[1]	1740
	1741	errFlags.log_class = 0xFFFF;
	1742	errFlags.print_class = 0xFFFF;
	1743	errFlags.mail_class = 0xFFFF;
	1744	errFlags.export_class = 0xFFFF;
	1745	errFlags.syslog_class = 0xFFFF;
	1746	errFlags.external_class = 0xFFFF;
	1747	errFlags.database_class = 0xFFFF;
	1748	errFlags.prelude_class = 0xFFFF;
	1749
	1750
	1751	for (j = 0; j < SH_ERR_T_END; ++j)
	1752	ShDFLevel[j] = SH_ERR_SEVERE;
	1753
	1754	IsInitialized = GOOD;
	1755	SL_RETURN (0, _("sh_error_init"));
	1756	}

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