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source: trunk/src/sh_error.c@ 171

Last change on this file since 171 was 170, checked in by katerina, 17 years ago
Plenty of compiler warnings fixed, SQL query length fixed, doc update.
File size: 38.5 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
[144]	29	#endif
[132]	30	#include <string.h>
[1]	31	#include <stdio.h>
	32	#include <stdlib.h>
	33	#include <stdarg.h>
	34	#include <ctype.h>
	35	#include <limits.h>
	36	#include <errno.h>
	37
	38	/* Required on FreeBSD
	39	*/
	40	#include <sys/types.h>
	41
	42	#ifdef HAVE_MEMORY_H
	43	#include <memory.h>
	44	#endif
	45
	46	#if defined(HAVE_MLOCK) && !defined(HAVE_BROKEN_MLOCK)
	47	#include <sys/mman.h>
	48	#endif
	49
	50
	51
	52	#include "samhain.h"
	53
	54	#include "sh_cat.h"
	55	#include "sh_database.h"
	56	#include "sh_error.h"
	57	#include "sh_utils.h"
	58	#include "sh_unix.h"
	59	#include "sh_tiger.h"
	60	#include "sh_mail.h"
	61	#include "sh_forward.h"
	62	#include "sh_prelude.h"
[140]	63	#include "sh_pthread.h"
[1]	64
	65	#if defined(WITH_DATABASE)
	66	#include "sh_tools.h"
	67	#endif
	68
	69	#if defined(WITH_EXTERNAL)
	70	#include "sh_extern.h"
	71	#endif
	72
	73	#undef FIL__
	74	#define FIL__ _("sh_error.c")
	75	/@-noret -compmempass@/
	76	extern int clt_class;
	77
	78	int flag_err_debug = SL_FALSE;
	79	int flag_err_info = SL_FALSE;
	80
	81	int ShDFLevel[SH_ERR_T_END];
	82
	83	typedef struct _log_t {
	84	char file[SH_PATHBUF];
	85	char format[SH_PATHBUF];
	86	/@null@/char * msg;
	87	size_t msg_len;
	88	int severity;
	89	int class;
	90	int pid;
	91	long status;
	92	long line;
	93	char timestamp[TIM_MAX];
	94	} sh_log_t;
	95
	96
	97	struct _errFlags errFlags;
	98
	99	static int sh_error_init (void);
	100
	101	/@owned@//@null@/inline
	102	static char * get_format(unsigned long msg_id, /@out@/int * priority,
	103	/@out@/unsigned int * class);
	104
	105	static int sh_error_string (struct _log_t * lmsg, va_list vl);
	106
[170]	107	extern int sh_log_console (/@null@/const char *message);
[1]	108	extern int sh_log_syslog (int severity, /@null@/char *message);
	109	extern int sh_log_file (/@null@/char *message,
	110	/@null@/char * inet_peer);
	111	/* convert a string to a numeric priority
	112	*/
[22]	113	int sh_error_convert_level (const char * str_s);
[1]	114
	115	static int IsInitialized = BAD;
	116
	117	/* --- Only log to stderr. ---
	118	*/
	119	int OnlyStderr = S_TRUE;
	120
[86]	121	/* --- Enable facilities not safe for closeall(). ---
	122	*/
	123	int enableUnsafe = S_FALSE;
[1]	124
	125	/*********************************************
	126	* utility functions for verifying entries
	127	*********************************************/
	128
[20]	129	int sh_error_verify (const char * s)
[1]	130	{
	131	char * foo;
[133]	132	char hashbuf[KEYBUF_SIZE];
[1]	133
	134	if (s[0] == '/')
	135	{
[159]	136	foo = sh_tiger_hash_gpg (s, TIGER_FILE, TIGER_NOLIM);
[1]	137	fprintf (stdout, _("%s\n"), foo);
	138	SH_FREE(foo);
	139	}
	140	else
	141	{
	142	fprintf (stdout, _("string=<%s>, hash=<%s>\n"),
	143	s, sh_tiger_hash (s, TIGER_DATA,
[133]	144	(unsigned long) sl_strlen(s),
	145	hashbuf, sizeof(hashbuf))
	146	);
[1]	147	}
	148	(void) fflush(stdout);
	149	_exit (EXIT_SUCCESS);
	150	/@i@/return 0;
	151	}
	152
	153
	154
	155	/*********************************************
	156	* end utility functions
	157	*********************************************/
	158
	159	void sh_error_only_stderr (int flag)
	160	{
	161	OnlyStderr = flag;
	162	return;
	163	}
	164
[86]	165	void sh_error_enable_unsafe (int flag)
	166	{
	167	enableUnsafe = flag;
	168	return;
	169	}
	170
[1]	171	static int dbg_store = 0;
	172	static int dbg_flag = 0;
	173
	174	static
[170]	175	void compute_flag_err_debug(void)
[1]	176	{
	177	if ((errFlags.loglevel & SH_ERR_ALL) != 0)
	178	flag_err_debug = SL_TRUE;
	179	else if ((errFlags.printlevel & SH_ERR_ALL) != 0)
	180	flag_err_debug = SL_TRUE;
	181	else if ((errFlags.maillevel & SH_ERR_ALL) != 0)
	182	flag_err_debug = SL_TRUE;
	183	else if ((errFlags.exportlevel & SH_ERR_ALL) != 0)
	184	flag_err_debug = SL_TRUE;
	185	else if ((errFlags.sysloglevel & SH_ERR_ALL) != 0)
	186	flag_err_debug = SL_TRUE;
	187	else if ((errFlags.externallevel & SH_ERR_ALL) != 0)
	188	flag_err_debug = SL_TRUE;
	189	else if ((errFlags.databaselevel & SH_ERR_ALL) != 0)
	190	flag_err_debug = SL_TRUE;
	191	else if ((errFlags.preludelevel & SH_ERR_ALL) != 0)
	192	flag_err_debug = SL_TRUE;
	193	else
	194	flag_err_debug = SL_FALSE;
	195	return;
	196	}
	197
	198	static
[170]	199	void compute_flag_err_info(void)
[1]	200	{
	201	if ((errFlags.loglevel & SH_ERR_INFO) != 0)
	202	flag_err_info = SL_TRUE;
	203	else if ((errFlags.printlevel & SH_ERR_INFO) != 0)
	204	flag_err_info = SL_TRUE;
	205	else if ((errFlags.maillevel & SH_ERR_INFO) != 0)
	206	flag_err_info = SL_TRUE;
	207	else if ((errFlags.exportlevel & SH_ERR_INFO) != 0)
	208	flag_err_info = SL_TRUE;
	209	else if ((errFlags.sysloglevel & SH_ERR_INFO) != 0)
	210	flag_err_info = SL_TRUE;
	211	else if ((errFlags.externallevel & SH_ERR_INFO) != 0)
	212	flag_err_info = SL_TRUE;
	213	else if ((errFlags.databaselevel & SH_ERR_INFO) != 0)
	214	flag_err_info = SL_TRUE;
	215	else if ((errFlags.preludelevel & SH_ERR_INFO) != 0)
	216	flag_err_info = SL_TRUE;
	217	else
	218	flag_err_info = SL_FALSE;
	219	return;
	220	}
	221
[170]	222	void sh_error_dbg_switch(void)
[1]	223	{
	224	if (dbg_flag == 0)
	225	{
	226	dbg_store = errFlags.printlevel;
	227	errFlags.printlevel = (SH_ERR_ALL \| SH_ERR_INFO \| SH_ERR_NOTICE \|
	228	SH_ERR_WARN \| SH_ERR_STAMP \| SH_ERR_ERR \|
	229	SH_ERR_SEVERE \| SH_ERR_FATAL);
	230	dbg_flag = 1;
	231	flag_err_debug = SL_TRUE;
	232	}
	233	else {
	234	errFlags.printlevel = dbg_store;
	235	dbg_store = 0;
	236	dbg_flag = 0;
	237	compute_flag_err_debug();
	238	}
	239	return;
	240	}
	241
[22]	242	static int sh_error_set_classmask (const char * str, int * facility_mask)
[1]	243	{
	244	char * p;
	245	int num = 0;
	246	unsigned int i;
	247	size_t len;
[22]	248	char * c;
[1]	249
	250	SL_ENTER(_("sh_error_set_classmask"));
	251
[22]	252	if (str == NULL)
[1]	253	SL_RETURN( -1, _("sh_error_set_classmask"));
	254
	255	if (IsInitialized == BAD)
	256	(void) sh_error_init();
	257
[22]	258	if (str[0] == (char) 34)
	259	++str;
	260	len = strlen(str);
	261
	262	c = SH_ALLOC(len+1);
	263	sl_strlcpy(c, str, len+1);
	264
[1]	265	if (c[len-1] == (char) 34)
	266	c[len-1] = '\0';
	267
	268	*facility_mask = 0;
	269
	270	do {
[131]	271	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
	272	char * saveptr;
	273	if (num == 0) {
	274	p = strtok_r (c, " ,\t", &saveptr);
	275	++num;
	276	} else {
	277	p = strtok_r (NULL, " ,\t", &saveptr);
	278	}
	279	#else
	280	if (num == 0) {
	281	p = strtok (c, " ,\t");
	282	++num;
	283	} else {
[1]	284	p = strtok (NULL, " ,\t");
[131]	285	}
	286	#endif
[1]	287
	288	if (p == NULL)
	289	break;
	290
	291	for (i = 0; i < SH_CLA_MAX; ++i)
	292	{
	293	if (i < SH_CLA_RAW_MAX) {
	294	if (0 == strcmp(p, _(class_cat[i])))
	295	*facility_mask \|= (1 << i);
	296	} else {
	297	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 0])))
	298	*facility_mask \|= OTHER_CLA;
	299	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 1])))
	300	*facility_mask \|= RUN_NEW;
	301	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 2])))
	302	*facility_mask \|= FIL_NEW;
	303	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 3])))
	304	*facility_mask \|= ERROR_CLA;
	305	}
	306	}
	307
	308	} while (p);
	309
[22]	310	SH_FREE(c);
[1]	311	SL_RETURN( 0, _("sh_error_set_classmask"));
	312	}
	313
[22]	314	int sh_error_log_mask (const char * c)
[1]	315	{
	316	return (sh_error_set_classmask(c, &(errFlags.log_class)));
	317	}
[22]	318	int sh_error_mail_mask (const char * c)
[1]	319	{
	320	return (sh_error_set_classmask(c, &(errFlags.mail_class)));
	321	}
[22]	322	int sh_error_print_mask (const char * c)
[1]	323	{
	324	return (sh_error_set_classmask(c, &(errFlags.print_class)));
	325	}
[22]	326	int sh_error_export_mask (const char * c)
[1]	327	{
	328	return (sh_error_set_classmask(c, &(errFlags.export_class)));
	329	}
[22]	330	int sh_error_syslog_mask (const char * c)
[1]	331	{
	332	return (sh_error_set_classmask(c, &(errFlags.syslog_class)));
	333	}
[22]	334	int sh_error_external_mask (const char * c)
[1]	335	{
	336	return (sh_error_set_classmask(c, &(errFlags.external_class)));
	337	}
[22]	338	int sh_error_database_mask (const char * c)
[1]	339	{
	340	return (sh_error_set_classmask(c, &(errFlags.database_class)));
	341	}
[22]	342	int sh_error_prelude_mask (const char * c)
[1]	343	{
	344	return (sh_error_set_classmask(c, &(errFlags.prelude_class)));
	345	}
	346
	347
	348
[132]	349	char * sh_error_message (int tellme, char * str, size_t len)
[1]	350	{
	351
[132]	352	#if defined(HAVE_STRERROR_R)
	353	strerror_r(tellme, str, len);
	354	return str;
	355	#elif defined(HAVE_STRERROR)
	356	sl_strlcpy(str, strerror(tellme), len);
	357	return str;
[1]	358	#else
	359
[132]	360	char *p = NULL;
[1]	361	#ifdef EACCES
[132]	362	if (tellme == EACCES) p = _("Permission denied.");
[1]	363	#endif
	364	#ifdef EAGAIN
[132]	365	if (tellme == EAGAIN) p = _("Try again.");
[1]	366	#endif
	367	#ifdef EBADF
[132]	368	if (tellme == EBADF) p = _("File descriptor in bad state.");
[1]	369	#endif
	370	#ifdef EEXIST
[132]	371	if (tellme == EEXIST) p = _("File exists.");
[1]	372	#endif
	373	#ifdef EFAULT
[132]	374	if (tellme == EFAULT) p = _("Bad address.");
[1]	375	#endif
	376	#ifdef EINVAL
[132]	377	if (tellme == EINVAL) p = _("Invalid argument.");
[1]	378	#endif
	379	#ifdef EISDIR
[132]	380	if (tellme == EISDIR) p = _("Is a directory.");
[1]	381	#endif
	382	#ifdef EINTR
[132]	383	if (tellme == EINTR) p = _("System call was interrupted.");
[1]	384	#endif
	385	#ifdef EIO
[132]	386	if (tellme == EIO) p = _("Low-level I/O error.");
[1]	387	#endif
	388	#ifdef ELOOP
[132]	389	if (tellme == ELOOP) p = _("Too many symbolic links encountered.");
[1]	390	#endif
	391	#ifdef EMFILE
[132]	392	if (tellme == EMFILE) p = _("Too many open files.");
[1]	393	#endif
	394	#ifdef EMLINK
[132]	395	if (tellme == EMLINK) p = _("Too many links.");
[1]	396	#endif
	397	#ifdef ENAMETOOLONG
	398	if (tellme == ENAMETOOLONG)
[132]	399	p = _("File name too long.");
[1]	400	#endif
	401	#ifdef ENFILE
[132]	402	if (tellme == ENFILE) p = _("File table overflow.");
[1]	403	#endif
	404	#ifdef ENOENT
[132]	405	if (tellme == ENOENT) p = _("File does not exist.");
[1]	406	#endif
	407	#ifdef ENOMEM
[132]	408	if (tellme == ENOMEM) p = _("Out of memory.");
[1]	409	#endif
	410	#ifdef ENOSPC
[132]	411	if (tellme == ENOSPC) p = _("No space on device.");
[1]	412	#endif
	413	#ifdef ENOTDIR
[132]	414	if (tellme == ENOTDIR) p = _("Not a directory.");
[1]	415	#endif
	416	#ifdef ENOTSOCK
[132]	417	if (tellme == ENOTSOCK) p = _("Not a socket.");
[1]	418	#endif
	419	#ifdef EOPNOTSUPP
[132]	420	if (tellme == EOPNOTSUPP) p = _("Socket is not of type SOCK_STREAM.");
[1]	421	#endif
	422	#ifdef EPERM
[132]	423	if (tellme == EPERM) p = _("Permission denied.");
[1]	424	#endif
	425	#ifdef EPIPE
[132]	426	if (tellme == EPIPE) p = _("No read on pipe.");
[1]	427	#endif
	428	#ifdef EROFS
[132]	429	if (tellme == EROFS) p = _("Read-only file system.");
[1]	430	#endif
	431	#ifdef ETXTBSY
[132]	432	if (tellme == ETXTBSY) p = _("Text file busy.");
[1]	433	#endif
	434	#ifdef EWOULDBLOCK
	435	if (tellme == EWOULDBLOCK)
[132]	436	p = _("No connections on non-blocking socket.");
[1]	437	#endif
	438	#ifdef EXDEV
[132]	439	if (tellme == EXDEV) p = _("Not on same file system.");
[1]	440	#endif
[132]	441	if (!p) p = _("Unknown error");
	442	sl_strlcpy(str, p, len);
	443	return str;
[1]	444	#endif /* ifndef HAVE_STRERROR */
	445	}
	446
	447
	448	/* switch off file log
	449	*/
	450	void sh_error_logoff()
	451	{
	452	errFlags.HaveLog = BAD;
	453	return;
	454	}
	455
	456	/* switch on file log
	457	*/
	458	void sh_error_logrestore()
	459	{
	460	errFlags.HaveLog = GOOD;
	461	return;
	462	}
	463
	464	/* --- Relate priority levels to literals. ---
	465	*/
	466	typedef struct eef
	467	{
[170]	468	const char * str;
[1]	469	int val;
	470	} eef_struc;
	471
	472	static eef_struc eef_tab[] =
	473	{
	474	{ N_("none"), SH_ERR_NOT },
	475	{ N_("debug"), SH_ERR_ALL },
	476	{ N_("info"), SH_ERR_INFO },
	477	{ N_("notice"), SH_ERR_NOTICE },
	478	{ N_("warn"), SH_ERR_WARN },
	479	{ N_("mark"), SH_ERR_STAMP },
	480	{ N_("err"), SH_ERR_ERR },
	481	{ N_("crit"), SH_ERR_SEVERE },
	482	{ N_("alert"), SH_ERR_FATAL },
	483	#if defined(SH_WITH_SERVER)
	484	#define SH_EEF_MAX 10
	485	{ N_("inet"), SH_ERR_INET },
	486	#else
	487	#define SH_EEF_MAX 9
	488	#endif
	489	};
	490
[22]	491	int sh_error_convert_level (const char * str_s)
[1]	492	{
	493	int i;
	494	int level = (-1);
	495
	496	SL_ENTER(_("sh_error_convert_level"));
	497
	498	if (str_s == NULL)
	499	SL_RETURN( -1, _("sh_error_convert_level"));
	500
	501	for (i = 0; i < SH_EEF_MAX; ++i)
	502	{
	503	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
	504	sl_strlen(eef_tab[i].str)))
	505	{
	506	level = eef_tab[i].val;
	507	break;
	508	}
	509	}
	510
	511	SL_RETURN( level, _("sh_error_convert_level"));
	512	}
	513
	514
	515	/* --- Set severity levels. ---
	516	*/
[22]	517	int sh_error_set_iv (int iv, const char * str_s)
[1]	518	{
	519	int level = (-1);
	520
	521	SL_ENTER(_("sh_error_set_iv"));
	522
	523	if (IsInitialized == BAD)
	524	(void) sh_error_init();
	525
	526	level = sh_error_convert_level (str_s);
	527
	528	if (level == (-1))
	529	{
	530	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	531	_("severity"),
	532	str_s != NULL ? str_s : _("(NULL)"));
	533	SL_RETURN (-1, _("sh_error_set_iv"));
	534	}
	535
	536	if (iv > SH_ERR_T_START && iv < SH_ERR_T_END)
	537	{
	538	ShDFLevel[iv] = level;
	539	}
	540	else
	541	{
	542	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALL,
	543	_("severity"), (long) iv);
	544	SL_RETURN (-1, _("sh_error_set_iv"));
	545	}
	546	SL_RETURN (0, _("sh_error_set_iv"));
	547	}
	548
[20]	549	int sh_error_set_level(const char * str_in, int * facility)
[1]	550	{
	551	register int i, j, f = BAD;
	552
	553	int old_facility;
[20]	554	const char * str_s = str_in;
[1]	555
	556	SL_ENTER(_("sh_error_set_level"));
	557
	558	if (IsInitialized == BAD)
	559	(void) sh_error_init();
	560
	561	old_facility = *facility;
	562	*facility = 0;
	563
	564	checkstr:
	565
	566	if (str_s != NULL)
	567	{
	568	if (0 == sl_strncmp(str_s, _(eef_tab[0].str), sl_strlen(eef_tab[0].str)))
	569	{
	570	facility \|= eef_tab[0].val; / This is 'none' */
	571	for (i = 1; i < SH_EEF_MAX; ++i)
	572	*facility &= ~eef_tab[i].val;
	573	f = GOOD;
	574	}
	575	else if (str_s[0] == '') / all */
	576	{
	577	for (i = 1; i < SH_EEF_MAX; ++i)
	578	*facility \|= eef_tab[i].val;
	579	f = GOOD;
	580	}
	581	else if (str_s[0] == '=')
	582	{
	583	for (i = 1; i < SH_EEF_MAX; ++i)
	584	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
	585	sl_strlen(eef_tab[i].str)))
	586	{
	587	*facility \|= eef_tab[i].val;
	588	f = GOOD;
	589	}
	590	}
	591	else if (str_s[0] == '!')
	592	{
	593	if (str_s[1] == '*' \|\|
	594	0 == sl_strncmp(&str_s[1], _(eef_tab[1].str),
	595	sl_strlen(eef_tab[1].str)))
	596	{
	597	facility \|= eef_tab[0].val; / This is 'none' */
	598	for (i = 1; i < SH_EEF_MAX; ++i)
	599	*facility &= ~eef_tab[i].val;
	600	f = GOOD;
	601	}
	602	else if (str_s[1] == '=')
	603	{
	604	for (i = 1; i < SH_EEF_MAX; ++i)
	605	{
	606	if (0 == sl_strncmp(&str_s[2], _(eef_tab[i].str),
	607	sl_strlen(eef_tab[i].str)))
	608	{
	609	*facility &= ~eef_tab[i].val;
	610	f = GOOD;
	611	}
	612	}
	613	}
	614	else
	615	{
	616	for (i = 1; i < SH_EEF_MAX; ++i)
	617	{
	618	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
	619	sl_strlen(eef_tab[i].str)))
	620	{
	621	for (j = i; j < SH_EEF_MAX; ++j)
	622	{
	623	*facility &= ~eef_tab[j].val;
	624	}
	625	f = GOOD;
	626	}
	627	}
	628	}
	629	}
	630	else /* plain severity name */
	631	{
	632	for (i = 1; i < SH_EEF_MAX; ++i)
	633	{
	634	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
	635	sl_strlen(eef_tab[i].str)))
	636	{
	637	for (j = i; j < SH_EEF_MAX; ++j)
	638	{
	639	*facility \|= eef_tab[j].val;
	640	}
	641	f = GOOD;
	642	break;
	643	}
	644	}
	645	}
	646	}
	647
	648	/* skip to end of string
	649	*/
	650	while (str_s != '\0' && str_s != ';' && *str_s != ',' &&
	651	str_s != ' ' && str_s != '\t')
	652	++str_s;
	653
	654	/* skip seperator
	655	*/
	656	while ((*str_s != '\0') &&
	657	(str_s == ';' \|\| str_s == ',' \|\| str_s == ' ' \|\| str_s == '\t'))
	658	++str_s;
	659
	660	if (*str_s != '\0')
	661	{
	662	f = BAD;
	663	goto checkstr;
	664	}
	665
	666	if (f == BAD)
	667	{
	668	*facility = old_facility;
	669	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
	670	_("priority"), str_in);
	671	SL_RETURN (-1, _("sh_error_set_level"));
	672	}
	673	compute_flag_err_debug();
	674	compute_flag_err_info();
	675	SL_RETURN (0, _("sh_error_set_level"));
	676	}
	677
[27]	678	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	679	/* set severity for TCP export
	680	*/
[20]	681	int sh_error_setexport(const char * str_s)
[1]	682	{
	683	static int reject = 0;
	684	if (reject == 1)
	685	return (0);
	686
	687	if (sh.flag.opts == S_TRUE)
	688	reject = 1;
	689
	690	return (sh_error_set_level(str_s, &errFlags.exportlevel));
	691	}
	692	#endif
	693
	694	/* set severity for printing
	695	*/
	696	extern void dlog_set_active(int flag);
	697
[20]	698	int sh_error_setprint(const char * str_s)
[1]	699	{
	700	static int reject = 0;
	701	int retval;
	702
	703	if (reject == 1)
	704	return (0);
	705
	706	if (sh.flag.opts == S_TRUE)
	707	reject = 1;
	708
	709	retval = sh_error_set_level(str_s, &errFlags.printlevel);
	710
	711	if (0 != (errFlags.printlevel & SH_ERR_INFO))
	712	dlog_set_active(1);
	713	if (0 != (errFlags.printlevel & SH_ERR_ALL))
	714	dlog_set_active(2);
	715	return retval;
	716	}
	717
	718
	719	/* set level for error logging
	720	*/
[20]	721	int sh_error_setlog(const char * str_s)
[1]	722	{
	723	static int reject = 0;
	724	if (reject == 1)
	725	return (0);
	726
	727	if (sh.flag.opts == S_TRUE)
	728	reject = 1;
	729
	730	return ( sh_error_set_level(str_s, &errFlags.loglevel) );
	731	}
	732
	733
	734	/* set severity for syslog
	735	*/
[20]	736	int sh_error_set_syslog (const char * str_s)
[1]	737	{
	738	static int reject = 0;
	739	if (reject == 1)
	740	return (0);
	741
	742	if (sh.flag.opts == S_TRUE)
	743	reject = 1;
	744
	745	return (sh_error_set_level(str_s, &errFlags.sysloglevel));
	746	}
	747
	748	#if defined(WITH_EXTERNAL)
	749	/* set severity for external
	750	*/
[20]	751	int sh_error_set_external (const char * str_s)
[1]	752	{
	753	static int reject = 0;
	754	if (reject == 1)
	755	return (0);
	756
	757	if (sh.flag.opts == S_TRUE)
	758	reject = 1;
	759
	760	return (sh_error_set_level(str_s, &errFlags.externallevel));
	761	}
	762	#endif
	763
	764	#if defined(WITH_DATABASE)
	765	/* set severity for database
	766	*/
[20]	767	int sh_error_set_database (const char * str_s)
[1]	768	{
	769	static int reject = 0;
	770	if (reject == 1)
	771	return (0);
	772
	773	if (sh.flag.opts == S_TRUE)
	774	reject = 1;
	775
	776	return (sh_error_set_level(str_s, &errFlags.databaselevel));
	777	}
	778	#endif
	779
	780	#if defined(HAVE_LIBPRELUDE)
	781	/* set severity for prelude
	782	*/
[20]	783	int sh_error_set_prelude (const char * str_s)
[1]	784	{
	785	static int reject = 0;
	786
	787	if (reject == 1)
	788	return (0);
	789
	790	if (sh.flag.opts == S_TRUE)
	791	reject = 1;
	792
	793	return sh_error_set_level(str_s, &errFlags.preludelevel);
	794	}
	795	#endif
	796
	797	/* init or re-init log facilities that need it
	798	*/
[170]	799	void sh_error_fixup(void)
[1]	800	{
	801	#if defined(HAVE_LIBPRELUDE_9)
	802	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
	803	sh_prelude_init();
	804	else
	805	sh_prelude_stop();
	806	#endif
	807	#ifdef WITH_DATABASE
	808	sh_database_reset();
	809	#endif
	810	return;
	811	}
	812
	813	/* to be called from sh_prelude_reset
	814	*/
[170]	815	void sh_error_init_prelude(void)
[1]	816	{
	817	#if defined(HAVE_LIBPRELUDE_9)
	818	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
	819	sh_prelude_init();
	820	else
	821	sh_prelude_stop();
	822	#endif
	823	return;
	824	}
	825
	826
	827	/* set severity for mailing
	828	*/
[20]	829	int sh_error_setseverity (const char * str_s)
[1]	830	{
	831	static int reject = 0;
	832	if (reject == 1)
	833	return (0);
	834
	835	if (sh.flag.opts == S_TRUE)
	836	reject = 1;
	837
	838	return (sh_error_set_level(str_s, &errFlags.maillevel));
	839	}
	840
	841	#ifdef SH_WITH_SERVER
	842	static char inet_peer[SH_MINIBUF] = { '\0' };
	843
	844	void sh_error_set_peer(const char * str)
	845	{
	846	if (str == NULL)
[11]	847	inet_peer[0] = '\0';
[1]	848	else
	849	sl_strlcpy(inet_peer, str, SH_MINIBUF);
	850	}
	851	#endif
	852
	853
	854	/**********************************************************
	855	**********************************************************
	856	*
	857	* -------- MAIN ERROR HANDLING FUNCTION -----------------
	858	*
	859	*
	860	* this function should be called to report an error
	861	*
	862	**********************************************************
	863	**********************************************************/
	864
[140]	865	SH_MUTEX_RECURSIVE(mutex_err_handle);
	866
[170]	867	void sh_error_handle (int sev, const char * file, long line,
[1]	868	long status, unsigned long msg_id, ...)
	869	{
	870	va_list vl; /* argument list */
	871	struct _log_t * lmsg;
	872
	873	int severity;
	874	unsigned int class;
	875	char * fmt;
	876
[170]	877	int flag_inet;
[1]	878
	879	#ifdef SH_WITH_SERVER
[140]	880	int class_inet = clt_class; /* initialize from global */
[1]	881	char local_inet_peer[SH_MINIBUF];
	882	#endif
	883
[27]	884	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	885	char * ex_msg;
	886	#endif
	887	#if defined(WITH_DATABASE)
	888	char * escape_msg;
	889	#endif
	890
	891	static int own_block = 0;
	892
	893	/*
	894	* Block a facility for errors generated
	895	* within that facility.
	896	*/
	897	static int print_block = 0;
	898	#if defined(SH_WITH_MAIL)
	899	static int mail_block = 0;
	900	#endif
	901	static int syslog_block = 0;
	902	static int log_block = 0;
[27]	903	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	904	static int export_block = 0;
	905	#endif
	906	#if defined(WITH_EXTERNAL)
	907	static int external_block = 0;
	908	#endif
	909	#if defined(WITH_DATABASE)
	910	static int database_block = 0;
	911	#endif
	912	#ifdef HAVE_LIBPRELUDE
	913	static int prelude_block = 0;
	914	#endif
	915
	916	SL_ENTER(_("sh_error_handle"));
	917
[140]	918	SH_MUTEX_RECURSIVE_INIT(mutex_err_handle);
	919	SH_MUTEX_RECURSIVE_LOCK(mutex_err_handle);
	920
[1]	921	#ifdef SH_WITH_SERVER
	922	/* copy the global string into a local array
	923	*/
	924	if ((msg_id == MSG_TCP_MSG) && (inet_peer[0] != '\0'))
	925	{
	926	sl_strlcpy(local_inet_peer, inet_peer, SH_MINIBUF);
	927	sh_error_set_peer(NULL);
	928	}
	929	else
	930	local_inet_peer[0] = '\0';
	931
	932	clt_class = (-1); /* reset global */
[140]	933	#endif
[1]	934
[140]	935
[1]	936	if (own_block == 1)
	937	{
[140]	938	goto exit_here;
[1]	939	}
	940
	941	/* --- Initialize to default values. ---
	942	*/
	943	if (IsInitialized == BAD)
	944	(void) sh_error_init();
	945
[140]	946	/* Returns pointer to (constant\|thread-specific) static memory
[1]	947	*/
	948	fmt = /@i@/get_format (msg_id, &severity, &class);
	949
[140]	950	#ifdef SH_WITH_SERVER
[1]	951	if (class_inet != (-1))
	952	class = (unsigned int) class_inet;
[140]	953	#endif
[1]	954
[140]	955	/* --- Consistency check. ---
	956	*/
[1]	957	ASSERT((fmt != NULL), _("fmt != NULL"))
	958	if (fmt == NULL)
	959	{
	960	fprintf(stderr,
	961	_("ERROR: msg=<NULL format>, file=<%s>, line=<%ld>\n"),
	962	file, line);
[140]	963	goto exit_here;
[1]	964	}
	965
	966	/* --- Override the catalogue severity. ---
	967	*/
	968	if (sev != (-1))
	969	severity = sev;
	970
[27]	971	/* these are messages from remote sources
	972	*/
[1]	973	if ((severity & SH_ERR_INET) != 0)
	974	{
	975	flag_inet = S_TRUE;
	976	}
[170]	977	else
	978	{
	979	flag_inet = S_FALSE;
	980	}
[1]	981
	982	/* --- Messages not wanted for logging. ---
	983	*/
	984	if ( ( (errFlags.printlevel & severity ) == 0 \|\|
	985	(errFlags.print_class & (1 << class)) == 0 ) &&
	986	( (errFlags.loglevel & severity ) == 0 \|\|
	987	(errFlags.log_class & (1 << class)) == 0 ) &&
	988	( (errFlags.sysloglevel & severity ) == 0 \|\|
	989	(errFlags.syslog_class & (1 << class)) == 0 ) &&
[27]	990	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_CLIENT)
[1]	991	( (errFlags.exportlevel & severity ) == 0 \|\|
	992	(errFlags.export_class & (1 << class)) == 0 ) &&
	993	#endif
	994	#ifdef WITH_EXTERNAL
	995	( (errFlags.externallevel & severity ) == 0 \|\|
	996	(errFlags.external_class & (1 << class)) == 0 ) &&
	997	#endif
	998	#ifdef HAVE_LIBPRELUDE
	999	( (errFlags.preludelevel & severity ) == 0 \|\|
	1000	(errFlags.prelude_class & (1 << class)) == 0 ) &&
	1001	#endif
	1002	#ifdef WITH_DATABASE
	1003	( (errFlags.databaselevel & severity ) == 0 \|\|
	1004	(errFlags.database_class & (1 << class)) == 0 ) &&
	1005	#endif
	1006	( (errFlags.maillevel & severity ) == 0 \|\|
	1007	(errFlags.mail_class & (1 << class)) == 0 )
	1008	#ifdef SH_WITH_SERVER
[27]	1009	&& (flag_inet == S_FALSE) /* still log messages from remote sources */
[1]	1010	#endif
	1011	)
	1012	{
[140]	1013	goto exit_here;
[1]	1014	}
	1015
	1016	if ((severity & SH_ERR_NOT) != 0)
	1017	{
[140]	1018	goto exit_here;
[1]	1019	}
	1020
	1021
	1022	/* Allocate space for the message.
	1023	*/
	1024	own_block = 1;
	1025	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
	1026	MLOCK( (char *) lmsg, sizeof(struct _log_t));
	1027	/@i@/lmsg->msg = NULL;
	1028
	1029	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
	1030	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
	1031	lmsg->severity = severity;
	1032	lmsg->class = (int) class;
	1033	lmsg->line = line;
	1034	lmsg->status = status;
	1035
	1036	/* Format the log message with timestamp etc.
	1037	* Allocate lmsg->msg
	1038	*/
	1039	va_start (vl, msg_id);
	1040	(void) sh_error_string (lmsg, vl);
	1041	va_end (vl);
	1042	own_block = 0;
	1043
	1044
	1045	/* Log to stderr.
	1046	*/
	1047	if ( ((errFlags.printlevel & severity) != 0 &&
	1048	(errFlags.print_class & (1 << class)) != 0 &&
	1049	(errFlags.printlevel & SH_ERR_NOT) == 0)
	1050	#ifdef SH_WITH_SERVER
	1051	\|\| (flag_inet == S_TRUE)
	1052	#endif
	1053	)
	1054	{
	1055	if (print_block == 0 && (errFlags.printlevel & SH_ERR_NOT) == 0)
	1056	{
	1057	/* no truncation
	1058	*/
	1059	print_block = 1;
	1060	TPT(( 0, FIL__, __LINE__, lmsg->msg));
	1061	/*
	1062	* Reports first error after failure. Always tries.
	1063	*/
	1064	(void) sh_log_console (lmsg->msg);
	1065	print_block = 0;
	1066	}
	1067	}
	1068
	1069
	1070	/* Full logging enabled.
	1071	*/
[86]	1072	if (OnlyStderr == S_FALSE) /* full error logging enabled */
[1]	1073	{
	1074
	1075	/* Log to syslog.
	1076	*/
	1077	if ( (errFlags.sysloglevel & severity) != 0 &&
	1078	(errFlags.syslog_class & (1 << class)) != 0 &&
	1079	#ifndef INET_SYSLOG
	1080	(flag_inet != S_TRUE) && /* !inet->syslog */
	1081	#endif
	1082	(errFlags.sysloglevel & SH_ERR_NOT) == 0 )
	1083	{
	1084	/* will truncate to 1023 bytes
	1085	*/
	1086	if (syslog_block == 0)
	1087	{
	1088	syslog_block = 1;
	1089	/*
	1090	* Ignores errors. Always tries.
	1091	*/
	1092	(void) sh_log_syslog (lmsg->severity, lmsg->msg);
	1093	syslog_block = 0;
	1094	}
	1095	}
	1096
	1097	#if defined(WITH_EXTERNAL)
	1098	/*
	1099	* -- external facility
	1100	*/
	1101	if ((errFlags.externallevel & severity) != 0 &&
	1102	(errFlags.external_class & (1 << class)) != 0 &&
	1103	(errFlags.externallevel & SH_ERR_NOT) == 0 &&
	1104	class != AUD)
	1105	{
	1106	if (external_block == 0)
	1107	{
	1108	/* no truncation
	1109	*/
	1110	external_block = 1;
	1111	/*
	1112	* Reports first error after failure. Always tries.
	1113	*/
	1114	(void) sh_ext_execute ('l', 'o', 'g', lmsg->msg, 0);
	1115	external_block = 0;
	1116	}
	1117	}
	1118	#endif
	1119
	1120	#if defined(WITH_DATABASE)
	1121	/*
	1122	* -- database facility
	1123	*/
	1124	if ((errFlags.databaselevel & severity) != 0 &&
	1125	(errFlags.database_class & (1 << class)) != 0 &&
	1126	(errFlags.databaselevel & SH_ERR_NOT) == 0 &&
	1127	class != AUD)
	1128	{
[86]	1129	if (database_block == 0 && enableUnsafe == S_TRUE)
[1]	1130	{
	1131	/* truncates; query_max is 16k
	1132	*/
	1133	database_block = 1;
	1134	#ifndef SH_STANDALONE
	1135	if (msg_id == MSG_TCP_MSG
	1136	#ifdef INET_SYSLOG
	1137	\|\| msg_id == MSG_INET_SYSLOG
	1138	#endif
	1139	)
	1140	{
	1141	/* do not escape twice
	1142	*/
	1143	/*
	1144	* Reports failure every 60 min. Always tries.
	1145	*/
	1146	(void) sh_database_insert (lmsg->msg);
	1147	}
	1148	else
	1149	#endif
	1150	{
	1151	escape_msg = sh_tools_safe_name(lmsg->msg, 0);
	1152	/*
	1153	* Reports failure every 60 min. Always tries.
	1154	*/
	1155	(void) sh_database_insert (escape_msg);
	1156	SH_FREE(escape_msg);
	1157	}
	1158	database_block = 0;
	1159	}
	1160	}
	1161	#endif
	1162
	1163	/****************************************************
	1164	* Optionally include client code for TCP forwarding
	1165	* to log server
	1166	****************************************************/
[27]	1167	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	1168	/* Export by TCP.
	1169	*/
[27]	1170
	1171	if ( ((errFlags.exportlevel & severity ) != 0 &&
	1172	(errFlags.export_class & (1 << class)) != 0 &&
	1173	(errFlags.exportlevel & SH_ERR_NOT) == 0 &&
	1174	class != AUD )
	1175	#ifdef SH_WITH_SERVER
[65]	1176	/* always log inet to export */
	1177	\|\| (flag_inet == S_TRUE && sh.srvexport.name[0] != '\0')
[27]	1178	#endif
	1179	/* sh.flag.isserver != GOOD && */
	1180	/* (flag_inet == S_FALSE) / / don't log inet to export */
	1181	)
[1]	1182	{
	1183	if (export_block == 0)
	1184	{
	1185	int retval;
[22]	1186	size_t ex_len;
[1]	1187
	1188	/* will truncate to 65280 bytes
	1189	*/
	1190	export_block = 1;
[34]	1191	/* ex_len = 64 + sl_strlen(lmsg->msg) + 1; */
	1192	ex_len = sl_strlen(lmsg->msg);
	1193	if (sl_ok_adds(ex_len, 65))
	1194	ex_len = 64 + ex_len + 1;
[22]	1195	ex_msg = SH_ALLOC (ex_len);
	1196
	1197	sl_snprintf(ex_msg, ex_len, _("%d?%u?%s"),
	1198	severity, class, lmsg->msg);
[1]	1199	retval = sh_forward (ex_msg);
	1200	SH_FREE(ex_msg);
	1201	export_block = 0;
	1202	if (retval == -2)
	1203	{
	1204	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
	1205	_("log server"));
	1206	}
	1207	}
	1208	}
	1209	#endif
	1210
	1211
	1212	/* Log to mail.
	1213	*/
	1214	#if defined(SH_WITH_MAIL)
	1215	if ((errFlags.maillevel & severity ) != 0 &&
	1216	(errFlags.mail_class & (1 << class)) != 0 &&
	1217	(errFlags.maillevel & SH_ERR_NOT) == 0 &&
	1218	class != AUD &&
	1219	(flag_inet == S_FALSE) ) /* don't log inet to email */
	1220	{
	1221	if (mail_block == 0)
	1222	{
	1223	int retval;
	1224
	1225	/* will truncate to 998 bytes
	1226	*/
	1227	mail_block = 1;
	1228
	1229	BREAKEXIT(sh_mail_msg);
	1230	if ( (severity & SH_ERR_FATAL) == 0)
	1231	retval = sh_mail_pushstack (lmsg->msg);
	1232	else
	1233	retval = sh_mail_msg (lmsg->msg);
	1234
	1235	mail_block = 0;
	1236	if (retval == -2)
	1237	{
	1238	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
	1239	_("email"));
	1240	}
	1241	}
	1242	}
	1243	#endif
	1244
	1245	#ifdef HAVE_LIBPRELUDE
	1246	if (((errFlags.preludelevel & severity ) != 0 &&
	1247	(errFlags.prelude_class & (1 << class)) != 0 &&
	1248	(errFlags.preludelevel & SH_ERR_NOT) == 0 &&
	1249	(class != AUD))
	1250	#ifdef SH_WITH_SERVER
	1251	\|\| (flag_inet == S_TRUE)
	1252	#endif
	1253	)
	1254	{
[86]	1255	if (prelude_block == 0 && enableUnsafe == S_TRUE)
[1]	1256	{
	1257	/* will truncate to 998 bytes
	1258	*/
	1259	prelude_block = 1;
	1260
	1261	BREAKEXIT(sh_prelude_alert);
	1262	/*
	1263	* Reports first error after failure. Always tries.
	1264	*/
	1265	(void) sh_prelude_alert (severity, (int) class, lmsg->msg,
	1266	lmsg->status, msg_id);
	1267
	1268	prelude_block = 0;
	1269	}
	1270	}
	1271	#endif
	1272
	1273	/* Log to logfile
	1274	*/
	1275
	1276	if ( ( ( (errFlags.loglevel & severity) != 0 &&
	1277	(errFlags.log_class & (1 << class)) != 0 &&
	1278	(errFlags.loglevel & SH_ERR_NOT) == 0 )
	1279	#ifdef SH_WITH_SERVER
	1280	\|\| (flag_inet == S_TRUE)
	1281	#endif
	1282	) &&
	1283	class != AUD &&
	1284	(errFlags.HaveLog != BAD) && /* temporary switched off */
	1285	(severity & SH_ERR_NOT) == 0 /* paranoia */
	1286	)
	1287	{
	1288	if (log_block == 0)
	1289	{
	1290	/* no truncation
	1291	*/
	1292	log_block = 1;
	1293	BREAKEXIT(sh_log_file);
	1294	#ifdef SH_WITH_SERVER
	1295	if (0 != sl_ret_euid())
	1296	{
	1297	/*
	1298	* Reports first error after failure. Always tries.
	1299	*/
	1300	if (local_inet_peer[0] == '\0')
	1301	(void) sh_log_file (lmsg->msg, NULL);
	1302	else
	1303	(void) sh_log_file (lmsg->msg, local_inet_peer);
	1304	}
	1305	#else
	1306	(void) sh_log_file (lmsg->msg, NULL);
	1307	#endif
	1308	/* sh_log_file (lmsg->msg); */
	1309	log_block = 0;
	1310	}
	1311	}
	1312
	1313	}
	1314
	1315	/* Cleanup.
	1316	*/
	1317	own_block = 1;
	1318
	1319	if (lmsg->msg)
	1320	SH_FREE( lmsg->msg );
	1321
	1322	memset ( lmsg, (int) '\0', sizeof(struct _log_t) );
	1323	MUNLOCK( (char *) lmsg, sizeof(struct _log_t) );
	1324	SH_FREE( lmsg );
	1325	own_block = 0;
	1326
[140]	1327	exit_here:
[144]	1328	; /* label at end of compound statement */
[140]	1329	SH_MUTEX_RECURSIVE_UNLOCK(mutex_err_handle);
	1330
[1]	1331	/@i@/SL_RET0(_("sh_error_handle"));
	1332	/@i@/}
	1333
	1334
	1335	/* -------------------------
	1336	*
	1337	* private functions below
	1338	*
	1339	* -------------------------
	1340	*/
	1341
	1342
	1343	/* --- Get the format from the message catalog. ---
	1344	*/
	1345	/@owned@/ /@null@/inline
	1346	static char * get_format(unsigned long msg_id, /@out@/ int * priority,
	1347	/@out@/unsigned int * class)
	1348	{
	1349	int i = 0;
	1350
	1351	SL_ENTER(_("get_format"));
	1352	while (1 == 1)
	1353	{
	1354	if ( msg_cat[i].format == NULL )
	1355	break;
	1356
	1357	if ( (unsigned long) msg_cat[i].id == msg_id)
	1358	{
	1359	*priority = (int) msg_cat[i].priority;
	1360	*class = (unsigned int) msg_cat[i].class;
[170]	1361	SL_RETURN (((char *) _(msg_cat[i].format)), _("get_format"));
[1]	1362	}
	1363	++i;
	1364	}
	1365	*priority = SH_ERR_ERR;
	1366	*class = ERR;
	1367	SL_RETURN (NULL, _("get_format"));
	1368	}
	1369
	1370	/@null@//@only@/static char * ehead_format = NULL;
	1371
	1372	/* allocate space for user-defined message header
	1373	*/
[22]	1374	int sh_error_ehead (/@null@/const char * str_s)
[1]	1375	{
	1376	size_t size;
[22]	1377	const char * s;
[1]	1378
	1379	SL_ENTER(_("sh_error_ehead"));
	1380
	1381	if (str_s == NULL)
	1382	{
	1383	SL_RETURN (-1, _("sh_error_ehead"));
	1384	}
	1385
	1386	/* ascii 34 ist t\"ttelchen
	1387	*/
	1388	/@i@/ if (str_s[0] == 34) s = &str_s[1];
	1389	else s = str_s;
	1390
	1391	size = /@i@/strlen(s);
[22]	1392	if (/@i@/s[size-1] == (char) 34) --size; /* truncate */
[1]	1393
	1394	if (ehead_format != NULL)
	1395	SH_FREE(ehead_format);
	1396
	1397	/@i@/ehead_format = SH_ALLOC(size+1);
	1398	/@i@/ (void) sl_strlcpy(ehead_format, s, size+1);
	1399
	1400	SL_RETURN( 0, _("sh_error_ehead"));
	1401	}
	1402
	1403	#if !defined(VA_COPY)
	1404	#if defined(__GNUC__) && defined(__PPC__) && (defined(_CALL_SYSV) \|\| defined(_WIN32))
	1405	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
	1406	#elif defined(VA_COPY_AS_ARRAY)
	1407	#define VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
	1408	#else /* va_list is a pointer */
	1409	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
	1410	#endif
	1411	#endif
	1412
	1413
	1414	/* print an error into string
	1415	*/
	1416	static int sh_error_string (struct _log_t * lmsg, va_list vl)
	1417	{
	1418	size_t len;
	1419	int required;
	1420	unsigned long line;
	1421	char sev[16] = "";
	1422	char cla[16] = "";
	1423	char tst[64] = "";
	1424	char *p;
	1425	va_list vl2;
	1426
	1427	st_format rep_ehead_tab[] = {
	1428	{ 'S', S_FMT_STRING, 0, 0, NULL}, /* severity */
	1429	{ 'T', S_FMT_STRING, 0, 0, NULL}, /* timestamp */
	1430	{ 'F', S_FMT_STRING, 0, 0, NULL}, /* file */
	1431	{ 'L', S_FMT_ULONG, 0, 0, NULL}, /* line */
	1432	{ 'C', S_FMT_STRING, 0, 0, NULL}, /* class */
	1433	{ 'E', S_FMT_LONG, 0, 0, NULL}, /* status */
	1434	{'\0', S_FMT_ULONG, 0, 0, NULL},
	1435	};
	1436
	1437	SL_ENTER(_("sh_error_string"));
	1438
	1439	if (ehead_format == NULL)
	1440	{
	1441	ehead_format = SH_ALLOC(64);
	1442	#ifdef SH_USE_XML
	1443	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
	1444	(void) sl_strlcpy(ehead_format,
	1445	_("<log sev=\"%S\" tstamp=\"%T\" "), 64);
	1446	else
	1447	(void) sl_strlcpy(ehead_format,
	1448	_("<log sev=\"%S\" tstamp=\"%T\" p.f=\"%F\" p.l=\"%L\" p.s=\"%E\" "), 64);
	1449	#else
	1450	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
	1451	(void) sl_strlcpy(ehead_format, _("%S %T "), 64);
	1452	else
	1453	(void) sl_strlcpy(ehead_format, _("%S %T (%F, %L, %E) "), 64);
	1454	#endif
	1455	}
	1456
	1457	/* header of error message
	1458	*/
	1459	#ifdef SH_USE_XML
	1460	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1461	(void) sl_strlcpy (sev, _("RCVT"), 11);
	1462	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
	1463	(void) sl_strlcpy (sev, _("DEBG"), 11);
	1464	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
	1465	(void) sl_strlcpy (sev, _("INFO"), 11);
	1466	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
	1467	(void) sl_strlcpy (sev, _("NOTE"), 11);
	1468	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
	1469	(void) sl_strlcpy (sev, _("WARN"), 11);
	1470	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
	1471	(void) sl_strlcpy (sev, _("MARK"), 11);
	1472	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
	1473	(void) sl_strlcpy (sev, _("ERRO"), 11);
	1474	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
	1475	(void) sl_strlcpy (sev, _("CRIT"), 11);
	1476	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
	1477	(void) sl_strlcpy (sev, _("ALRT"), 11);
	1478	else {
	1479	(void) sl_strlcpy (sev, _("????"), 11);
	1480	#else
	1481	#if defined(INET_SYSLOG)
	1482	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1483	(void) sl_strlcpy (sev, _("<NET> : "), 11);
	1484	#else
	1485	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1486	(void) sl_strlcpy (sev, _("<TCP> : "), 11);
	1487	#endif
	1488	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
	1489	(void) sl_strlcpy (sev, _("DEBUG : "), 11);
	1490	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
	1491	(void) sl_strlcpy (sev, _("INFO : "), 11);
	1492	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
	1493	(void) sl_strlcpy (sev, _("NOTICE : "), 11);
	1494	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
	1495	(void) sl_strlcpy (sev, _("WARN : "), 11);
	1496	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
	1497	(void) sl_strlcpy (sev, _("MARK : "), 11);
	1498	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
	1499	(void) sl_strlcpy (sev, _("ERROR : "), 11);
	1500	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
	1501	(void) sl_strlcpy (sev, _("CRIT : "), 11);
	1502	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
	1503	(void) sl_strlcpy (sev, _("ALERT : "), 11);
	1504	else {
	1505	(void) sl_strlcpy (sev, _("??? : "), 11);
	1506	#endif
	1507	}
	1508
[132]	1509	(void) sh_unix_time (0, tst, 64);
[1]	1510	line = (unsigned long) lmsg->line;
	1511	(void) sl_strlcpy (cla, _(class_cat[lmsg->class]), 11);
	1512
	1513	/@i@/rep_ehead_tab[0].data_str = sev;
	1514	/@i@/rep_ehead_tab[1].data_str = tst;
	1515	/@i@/rep_ehead_tab[2].data_str = lmsg->file;
	1516	/@i@/rep_ehead_tab[3].data_ulong = line;
	1517	/@i@/rep_ehead_tab[4].data_str = cla;
	1518	/@i@/rep_ehead_tab[5].data_long = lmsg->status;
	1519
	1520	p = /@i@/sh_util_formatted(ehead_format, rep_ehead_tab);
	1521
	1522	/* --- copy the header to lmsg->msg ---
	1523	*/
	1524	/@i@/lmsg->msg = SH_ALLOC(SH_BUFSIZE);
	1525	lmsg->msg_len = SH_BUFSIZE;
	1526
	1527	if (p)
	1528	{
	1529	(void) sl_strlcpy (lmsg->msg, p, SH_BUFSIZE);
	1530	SH_FREE(p);
	1531	}
	1532	else
	1533	{
	1534	lmsg->msg[0] = '\0';
	1535	}
	1536
	1537
	1538	/* --- copy message to lmsg->msg ---
	1539	*/
	1540	if ( NULL == strchr(lmsg->format, '%') )
	1541	{
	1542	(void) sl_strlcat (lmsg->msg, lmsg->format, (size_t) lmsg->msg_len);
	1543	}
	1544	else
	1545	{
	1546	/* use VA_COPY */
	1547	/@i@/VA_COPY(vl2, vl);
	1548	len = sl_strlen(lmsg->msg);
	1549	/@i@/required = sl_vsnprintf(&(lmsg->msg[len]),
[22]	1550	(lmsg->msg_len - len), lmsg->format, vl);
[170]	1551
[34]	1552	if ((required >= 0) &&
	1553	sl_ok_adds(required, len) &&
	1554	sl_ok_adds((required+len), 4) &&
	1555	((required + len) > (lmsg->msg_len - 4)) )
[1]	1556	{
	1557	/@i@/p = SH_ALLOC(required + len + 4);
	1558	(void) sl_strlcpy (p, lmsg->msg, required + len + 1);
	1559	SH_FREE(lmsg->msg);
	1560	lmsg->msg = p;
	1561	lmsg->msg_len = required + len + 4;
	1562	(void) sl_vsnprintf(&(lmsg->msg[len]),
[170]	1563	(required + 1), lmsg->format, vl2);
[1]	1564	}
	1565	va_end(vl2);
	1566	}
	1567
	1568	#ifdef SH_USE_XML
	1569	/* closing tag
	1570	*/
	1571	if (lmsg->msg[sl_strlen(lmsg->msg)-1] != '>')
	1572	(void) sl_strlcat (lmsg->msg, _(" />"), lmsg->msg_len);
	1573	#endif
	1574
	1575	SL_RETURN(0, _("sh_error_string"));
	1576	}
	1577
	1578
	1579
	1580
	1581	/* --- Initialize. ---
	1582	*/
	1583	static int sh_error_init ()
	1584	{
	1585	register int j;
	1586
	1587	SL_ENTER(_("sh_error_init"));
	1588
	1589	errFlags.debug = 0;
	1590	errFlags.HaveLog = GOOD;
	1591	errFlags.sysloglevel = SH_ERR_NOT;
	1592	#if defined(SH_STEALTH)
	1593	errFlags.loglevel = SH_ERR_NOT;
	1594	#else
	1595	errFlags.loglevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1596	SH_ERR_FATAL);
	1597	#endif
	1598	errFlags.externallevel = SH_ERR_NOT;
	1599	errFlags.databaselevel = SH_ERR_NOT;
	1600	errFlags.preludelevel = SH_ERR_NOT;
	1601	errFlags.maillevel = SH_ERR_FATAL;
	1602	#if defined(SH_STEALTH)
	1603	errFlags.printlevel = SH_ERR_NOT;
	1604	#else
	1605	errFlags.printlevel = (SH_ERR_INFO \| SH_ERR_NOTICE \| SH_ERR_WARN \|
	1606	SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1607	SH_ERR_FATAL);
[5]	1608	flag_err_info = SL_TRUE;
[1]	1609	#endif
[65]	1610
	1611	#if defined(SH_WITH_SERVER)
	1612	errFlags.exportlevel = SH_ERR_NOT;
	1613	#else
[1]	1614	errFlags.exportlevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1615	SH_ERR_FATAL);
[65]	1616	#endif
[1]	1617
	1618	errFlags.log_class = 0xFFFF;
	1619	errFlags.print_class = 0xFFFF;
	1620	errFlags.mail_class = 0xFFFF;
	1621	errFlags.export_class = 0xFFFF;
	1622	errFlags.syslog_class = 0xFFFF;
	1623	errFlags.external_class = 0xFFFF;
	1624	errFlags.database_class = 0xFFFF;
	1625	errFlags.prelude_class = 0xFFFF;
	1626
	1627
	1628	for (j = 0; j < SH_ERR_T_END; ++j)
	1629	ShDFLevel[j] = SH_ERR_SEVERE;
	1630
	1631	IsInitialized = GOOD;
	1632	SL_RETURN (0, _("sh_error_init"));
	1633	}

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