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source: trunk/src/sh_error.c@ 397

Last change on this file since 397 was 383, checked in by katerina, 13 years ago
Fix for ticket #281 (warnings from clang static analyzer).
File size: 41.2 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
[27]	1001	/* these are messages from remote sources
	1002	*/
[1]	1003	if ((severity & SH_ERR_INET) != 0)
	1004	{
	1005	flag_inet = S_TRUE;
	1006	}
[170]	1007	else
	1008	{
	1009	flag_inet = S_FALSE;
	1010	}
[1]	1011
	1012	/* --- Messages not wanted for logging. ---
	1013	*/
	1014	if ( ( (errFlags.printlevel & severity ) == 0 \|\|
	1015	(errFlags.print_class & (1 << class)) == 0 ) &&
	1016	( (errFlags.loglevel & severity ) == 0 \|\|
	1017	(errFlags.log_class & (1 << class)) == 0 ) &&
	1018	( (errFlags.sysloglevel & severity ) == 0 \|\|
	1019	(errFlags.syslog_class & (1 << class)) == 0 ) &&
[27]	1020	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_CLIENT)
[1]	1021	( (errFlags.exportlevel & severity ) == 0 \|\|
	1022	(errFlags.export_class & (1 << class)) == 0 ) &&
	1023	#endif
	1024	#ifdef WITH_EXTERNAL
	1025	( (errFlags.externallevel & severity ) == 0 \|\|
	1026	(errFlags.external_class & (1 << class)) == 0 ) &&
	1027	#endif
	1028	#ifdef HAVE_LIBPRELUDE
	1029	( (errFlags.preludelevel & severity ) == 0 \|\|
	1030	(errFlags.prelude_class & (1 << class)) == 0 ) &&
	1031	#endif
	1032	#ifdef WITH_DATABASE
	1033	( (errFlags.databaselevel & severity ) == 0 \|\|
	1034	(errFlags.database_class & (1 << class)) == 0 ) &&
	1035	#endif
	1036	( (errFlags.maillevel & severity ) == 0 \|\|
	1037	(errFlags.mail_class & (1 << class)) == 0 )
	1038	#ifdef SH_WITH_SERVER
[27]	1039	&& (flag_inet == S_FALSE) /* still log messages from remote sources */
[1]	1040	#endif
	1041	)
	1042	{
[140]	1043	goto exit_here;
[1]	1044	}
	1045
	1046	if ((severity & SH_ERR_NOT) != 0)
	1047	{
[140]	1048	goto exit_here;
[1]	1049	}
	1050
	1051
	1052	/* Allocate space for the message.
	1053	*/
	1054	own_block = 1;
	1055	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
	1056	MLOCK( (char *) lmsg, sizeof(struct _log_t));
	1057	/@i@/lmsg->msg = NULL;
	1058
	1059	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
	1060	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
	1061	lmsg->severity = severity;
	1062	lmsg->class = (int) class;
	1063	lmsg->line = line;
	1064	lmsg->status = status;
	1065
	1066	/* Format the log message with timestamp etc.
	1067	* Allocate lmsg->msg
	1068	*/
	1069	va_start (vl, msg_id);
	1070	(void) sh_error_string (lmsg, vl);
	1071	va_end (vl);
	1072	own_block = 0;
	1073
	1074
	1075	/* Log to stderr.
	1076	*/
	1077	if ( ((errFlags.printlevel & severity) != 0 &&
	1078	(errFlags.print_class & (1 << class)) != 0 &&
	1079	(errFlags.printlevel & SH_ERR_NOT) == 0)
	1080	#ifdef SH_WITH_SERVER
	1081	\|\| (flag_inet == S_TRUE)
	1082	#endif
	1083	)
	1084	{
	1085	if (print_block == 0 && (errFlags.printlevel & SH_ERR_NOT) == 0)
	1086	{
	1087	/* no truncation
	1088	*/
	1089	print_block = 1;
	1090	TPT(( 0, FIL__, __LINE__, lmsg->msg));
	1091	/*
	1092	* Reports first error after failure. Always tries.
	1093	*/
	1094	(void) sh_log_console (lmsg->msg);
	1095	print_block = 0;
	1096	}
	1097	}
	1098
	1099
	1100	/* Full logging enabled.
	1101	*/
[86]	1102	if (OnlyStderr == S_FALSE) /* full error logging enabled */
[1]	1103	{
	1104
	1105	/* Log to syslog.
	1106	*/
	1107	if ( (errFlags.sysloglevel & severity) != 0 &&
	1108	(errFlags.syslog_class & (1 << class)) != 0 &&
	1109	#ifndef INET_SYSLOG
	1110	(flag_inet != S_TRUE) && /* !inet->syslog */
	1111	#endif
	1112	(errFlags.sysloglevel & SH_ERR_NOT) == 0 )
	1113	{
	1114	/* will truncate to 1023 bytes
	1115	*/
	1116	if (syslog_block == 0)
	1117	{
	1118	syslog_block = 1;
	1119	/*
	1120	* Ignores errors. Always tries.
	1121	*/
	1122	(void) sh_log_syslog (lmsg->severity, lmsg->msg);
	1123	syslog_block = 0;
	1124	}
	1125	}
	1126
	1127	#if defined(WITH_EXTERNAL)
	1128	/*
	1129	* -- external facility
	1130	*/
	1131	if ((errFlags.externallevel & severity) != 0 &&
	1132	(errFlags.external_class & (1 << class)) != 0 &&
	1133	(errFlags.externallevel & SH_ERR_NOT) == 0 &&
	1134	class != AUD)
	1135	{
	1136	if (external_block == 0)
	1137	{
	1138	/* no truncation
	1139	*/
	1140	external_block = 1;
	1141	/*
	1142	* Reports first error after failure. Always tries.
	1143	*/
	1144	(void) sh_ext_execute ('l', 'o', 'g', lmsg->msg, 0);
	1145	external_block = 0;
	1146	}
	1147	}
	1148	#endif
	1149
	1150	#if defined(WITH_DATABASE)
	1151	/*
	1152	* -- database facility
	1153	*/
	1154	if ((errFlags.databaselevel & severity) != 0 &&
	1155	(errFlags.database_class & (1 << class)) != 0 &&
	1156	(errFlags.databaselevel & SH_ERR_NOT) == 0 &&
	1157	class != AUD)
	1158	{
[86]	1159	if (database_block == 0 && enableUnsafe == S_TRUE)
[1]	1160	{
	1161	/* truncates; query_max is 16k
	1162	*/
	1163	database_block = 1;
	1164	#ifndef SH_STANDALONE
	1165	if (msg_id == MSG_TCP_MSG
	1166	#ifdef INET_SYSLOG
	1167	\|\| msg_id == MSG_INET_SYSLOG
	1168	#endif
	1169	)
	1170	{
	1171	/* do not escape twice
	1172	*/
	1173	/*
	1174	* Reports failure every 60 min. Always tries.
	1175	*/
	1176	(void) sh_database_insert (lmsg->msg);
	1177	}
	1178	else
	1179	#endif
	1180	{
	1181	escape_msg = sh_tools_safe_name(lmsg->msg, 0);
	1182	/*
	1183	* Reports failure every 60 min. Always tries.
	1184	*/
	1185	(void) sh_database_insert (escape_msg);
	1186	SH_FREE(escape_msg);
	1187	}
	1188	database_block = 0;
	1189	}
	1190	}
	1191	#endif
	1192
	1193	/****************************************************
	1194	* Optionally include client code for TCP forwarding
	1195	* to log server
	1196	****************************************************/
[27]	1197	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
[1]	1198	/* Export by TCP.
	1199	*/
[27]	1200
	1201	if ( ((errFlags.exportlevel & severity ) != 0 &&
	1202	(errFlags.export_class & (1 << class)) != 0 &&
	1203	(errFlags.exportlevel & SH_ERR_NOT) == 0 &&
	1204	class != AUD )
	1205	#ifdef SH_WITH_SERVER
[65]	1206	/* always log inet to export */
	1207	\|\| (flag_inet == S_TRUE && sh.srvexport.name[0] != '\0')
[27]	1208	#endif
	1209	/* sh.flag.isserver != GOOD && */
	1210	/* (flag_inet == S_FALSE) / / don't log inet to export */
	1211	)
[1]	1212	{
	1213	if (export_block == 0)
	1214	{
	1215	int retval;
[22]	1216	size_t ex_len;
[1]	1217
	1218	/* will truncate to 65280 bytes
	1219	*/
	1220	export_block = 1;
[34]	1221	/* ex_len = 64 + sl_strlen(lmsg->msg) + 1; */
	1222	ex_len = sl_strlen(lmsg->msg);
	1223	if (sl_ok_adds(ex_len, 65))
	1224	ex_len = 64 + ex_len + 1;
[22]	1225	ex_msg = SH_ALLOC (ex_len);
	1226
	1227	sl_snprintf(ex_msg, ex_len, _("%d?%u?%s"),
	1228	severity, class, lmsg->msg);
[1]	1229	retval = sh_forward (ex_msg);
	1230	SH_FREE(ex_msg);
	1231	export_block = 0;
	1232	if (retval == -2)
	1233	{
	1234	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
	1235	_("log server"));
	1236	}
	1237	}
	1238	}
	1239	#endif
	1240
	1241
	1242	/* Log to mail.
	1243	*/
	1244	#if defined(SH_WITH_MAIL)
	1245	if ((errFlags.maillevel & severity ) != 0 &&
	1246	(errFlags.mail_class & (1 << class)) != 0 &&
	1247	(errFlags.maillevel & SH_ERR_NOT) == 0 &&
	1248	class != AUD &&
	1249	(flag_inet == S_FALSE) ) /* don't log inet to email */
	1250	{
	1251	if (mail_block == 0)
	1252	{
	1253	int retval;
	1254
	1255	/* will truncate to 998 bytes
	1256	*/
	1257	mail_block = 1;
	1258
[214]	1259	BREAKEXIT(sh_nmail_msg);
[1]	1260	if ( (severity & SH_ERR_FATAL) == 0)
[214]	1261	retval = sh_nmail_pushstack (severity, lmsg->msg, NULL);
[1]	1262	else
[214]	1263	retval = sh_nmail_msg (severity, lmsg->msg, NULL);
[1]	1264
	1265	mail_block = 0;
	1266	if (retval == -2)
	1267	{
	1268	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
	1269	_("email"));
	1270	}
	1271	}
	1272	}
	1273	#endif
	1274
	1275	#ifdef HAVE_LIBPRELUDE
	1276	if (((errFlags.preludelevel & severity ) != 0 &&
	1277	(errFlags.prelude_class & (1 << class)) != 0 &&
	1278	(errFlags.preludelevel & SH_ERR_NOT) == 0 &&
	1279	(class != AUD))
	1280	#ifdef SH_WITH_SERVER
	1281	\|\| (flag_inet == S_TRUE)
	1282	#endif
	1283	)
	1284	{
[86]	1285	if (prelude_block == 0 && enableUnsafe == S_TRUE)
[1]	1286	{
	1287	/* will truncate to 998 bytes
	1288	*/
	1289	prelude_block = 1;
	1290
	1291	BREAKEXIT(sh_prelude_alert);
	1292	/*
	1293	* Reports first error after failure. Always tries.
	1294	*/
[283]	1295	#if defined(HAVE_LIBPRELUDE) && defined(SH_WITH_SERVER)
	1296	(void) sh_prelude_alert (severity, (int) class,
	1297	lmsg->msg, lmsg->status, msg_id,
	1298	local_inet_peer_ip);
	1299	#else
	1300	(void) sh_prelude_alert (severity, (int) class,
	1301	lmsg->msg, lmsg->status, msg_id,
	1302	NULL);
	1303	#endif
[1]	1304	prelude_block = 0;
	1305	}
	1306	}
	1307	#endif
	1308
	1309	/* Log to logfile
	1310	*/
	1311
	1312	if ( ( ( (errFlags.loglevel & severity) != 0 &&
	1313	(errFlags.log_class & (1 << class)) != 0 &&
	1314	(errFlags.loglevel & SH_ERR_NOT) == 0 )
	1315	#ifdef SH_WITH_SERVER
	1316	\|\| (flag_inet == S_TRUE)
	1317	#endif
	1318	) &&
	1319	class != AUD &&
	1320	(errFlags.HaveLog != BAD) && /* temporary switched off */
	1321	(severity & SH_ERR_NOT) == 0 /* paranoia */
	1322	)
	1323	{
	1324	if (log_block == 0)
	1325	{
	1326	/* no truncation
	1327	*/
	1328	log_block = 1;
	1329	BREAKEXIT(sh_log_file);
	1330	#ifdef SH_WITH_SERVER
	1331	if (0 != sl_ret_euid())
	1332	{
	1333	/*
	1334	* Reports first error after failure. Always tries.
	1335	*/
	1336	if (local_inet_peer[0] == '\0')
	1337	(void) sh_log_file (lmsg->msg, NULL);
	1338	else
[283]	1339	(void) sh_log_file (lmsg->msg, local_inet_peer);
[1]	1340	}
	1341	#else
	1342	(void) sh_log_file (lmsg->msg, NULL);
	1343	#endif
	1344	/* sh_log_file (lmsg->msg); */
	1345	log_block = 0;
	1346	}
	1347	}
	1348
	1349	}
	1350
	1351	/* Cleanup.
	1352	*/
	1353	own_block = 1;
	1354
	1355	if (lmsg->msg)
	1356	SH_FREE( lmsg->msg );
	1357
	1358	memset ( lmsg, (int) '\0', sizeof(struct _log_t) );
	1359	MUNLOCK( (char *) lmsg, sizeof(struct _log_t) );
	1360	SH_FREE( lmsg );
	1361	own_block = 0;
	1362
[140]	1363	exit_here:
[144]	1364	; /* label at end of compound statement */
[140]	1365	SH_MUTEX_RECURSIVE_UNLOCK(mutex_err_handle);
	1366
[1]	1367	/@i@/SL_RET0(_("sh_error_handle"));
	1368	/@i@/}
	1369
[272]	1370	#if defined(SH_WITH_MAIL)
	1371	void sh_error_mail (const char * alias, int sev,
	1372	const char * file, long line,
	1373	long status, unsigned long msg_id, ...)
	1374	{
	1375	va_list vl; /* argument list */
	1376	struct _log_t * lmsg;
[1]	1377
[272]	1378	int severity;
	1379	unsigned int class;
	1380	char * fmt;
	1381	int retval;
	1382
	1383	SL_ENTER(_("sh_error_mail"));
	1384
	1385	/* Returns pointer to (constant\|thread-specific) static memory
	1386	*/
	1387	fmt = /@i@/get_format (msg_id, &severity, &class);
	1388
	1389	if (!fmt)
	1390	{
	1391	SL_RET0(_("sh_error_mail"));
	1392	}
	1393
	1394	/* --- Override the catalogue severity. ---
	1395	*/
	1396	if (sev != (-1))
	1397	severity = sev;
	1398
	1399	/* --- Build the message. ---
	1400	*/
	1401	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
	1402	MLOCK( (char *) lmsg, sizeof(struct _log_t));
	1403	/@i@/lmsg->msg = NULL;
	1404
	1405	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
	1406	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
	1407	lmsg->severity = severity;
	1408	lmsg->class = (int) class;
	1409	lmsg->line = line;
	1410	lmsg->status = status;
	1411
	1412	/* Format the log message with timestamp etc.
	1413	* Allocate lmsg->msg
	1414	*/
	1415	va_start (vl, msg_id);
	1416	(void) sh_error_string (lmsg, vl);
	1417	va_end (vl);
	1418
	1419	if ( (severity & SH_ERR_FATAL) == 0)
	1420	retval = sh_nmail_pushstack (severity, lmsg->msg, alias);
	1421	else
	1422	retval = sh_nmail_msg (severity, lmsg->msg, alias);
	1423
	1424	if (retval == -2)
	1425	{
	1426	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
	1427	_("email"));
	1428	}
	1429	SL_RET0(_("sh_error_mail"));
	1430	}
	1431	#else
	1432	void sh_error_mail (const char * alias, int sev,
	1433	const char * file, long line,
	1434	long status, unsigned long msg_id, ...)
	1435	{
	1436	(void) alias;
	1437	(void) sev;
	1438	(void) file;
	1439	(void) line;
	1440	(void) status;
	1441	(void) msg_id;
	1442
	1443	return;
	1444	}
	1445	/* defined(SH_WITH_MAIL) */
	1446	#endif
	1447
[1]	1448	/* -------------------------
	1449	*
	1450	* private functions below
	1451	*
	1452	* -------------------------
	1453	*/
	1454
	1455
	1456	/* --- Get the format from the message catalog. ---
	1457	*/
	1458	/@owned@/ /@null@/inline
	1459	static char * get_format(unsigned long msg_id, /@out@/ int * priority,
	1460	/@out@/unsigned int * class)
	1461	{
	1462	int i = 0;
	1463
	1464	SL_ENTER(_("get_format"));
	1465	while (1 == 1)
	1466	{
	1467	if ( msg_cat[i].format == NULL )
	1468	break;
	1469
	1470	if ( (unsigned long) msg_cat[i].id == msg_id)
	1471	{
	1472	*priority = (int) msg_cat[i].priority;
	1473	*class = (unsigned int) msg_cat[i].class;
[170]	1474	SL_RETURN (((char *) _(msg_cat[i].format)), _("get_format"));
[1]	1475	}
	1476	++i;
	1477	}
	1478	*priority = SH_ERR_ERR;
	1479	*class = ERR;
	1480	SL_RETURN (NULL, _("get_format"));
	1481	}
	1482
	1483	/@null@//@only@/static char * ehead_format = NULL;
	1484
	1485	/* allocate space for user-defined message header
	1486	*/
[22]	1487	int sh_error_ehead (/@null@/const char * str_s)
[1]	1488	{
	1489	size_t size;
[22]	1490	const char * s;
[1]	1491
	1492	SL_ENTER(_("sh_error_ehead"));
	1493
	1494	if (str_s == NULL)
	1495	{
	1496	SL_RETURN (-1, _("sh_error_ehead"));
	1497	}
	1498
	1499	/* ascii 34 ist t\"ttelchen
	1500	*/
	1501	/@i@/ if (str_s[0] == 34) s = &str_s[1];
	1502	else s = str_s;
	1503
	1504	size = /@i@/strlen(s);
[22]	1505	if (/@i@/s[size-1] == (char) 34) --size; /* truncate */
[1]	1506
	1507	if (ehead_format != NULL)
	1508	SH_FREE(ehead_format);
	1509
	1510	/@i@/ehead_format = SH_ALLOC(size+1);
	1511	/@i@/ (void) sl_strlcpy(ehead_format, s, size+1);
	1512
	1513	SL_RETURN( 0, _("sh_error_ehead"));
	1514	}
	1515
	1516	#if !defined(VA_COPY)
	1517	#if defined(__GNUC__) && defined(__PPC__) && (defined(_CALL_SYSV) \|\| defined(_WIN32))
	1518	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
	1519	#elif defined(VA_COPY_AS_ARRAY)
	1520	#define VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
	1521	#else /* va_list is a pointer */
	1522	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
	1523	#endif
	1524	#endif
	1525
	1526
	1527	/* print an error into string
	1528	*/
	1529	static int sh_error_string (struct _log_t * lmsg, va_list vl)
	1530	{
	1531	size_t len;
	1532	int required;
	1533	unsigned long line;
	1534	char sev[16] = "";
	1535	char cla[16] = "";
	1536	char tst[64] = "";
	1537	char *p;
	1538	va_list vl2;
	1539
	1540	st_format rep_ehead_tab[] = {
	1541	{ 'S', S_FMT_STRING, 0, 0, NULL}, /* severity */
	1542	{ 'T', S_FMT_STRING, 0, 0, NULL}, /* timestamp */
	1543	{ 'F', S_FMT_STRING, 0, 0, NULL}, /* file */
	1544	{ 'L', S_FMT_ULONG, 0, 0, NULL}, /* line */
	1545	{ 'C', S_FMT_STRING, 0, 0, NULL}, /* class */
	1546	{ 'E', S_FMT_LONG, 0, 0, NULL}, /* status */
	1547	{'\0', S_FMT_ULONG, 0, 0, NULL},
	1548	};
	1549
	1550	SL_ENTER(_("sh_error_string"));
	1551
	1552	if (ehead_format == NULL)
	1553	{
	1554	ehead_format = SH_ALLOC(64);
	1555	#ifdef SH_USE_XML
	1556	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
	1557	(void) sl_strlcpy(ehead_format,
	1558	_("<log sev=\"%S\" tstamp=\"%T\" "), 64);
	1559	else
	1560	(void) sl_strlcpy(ehead_format,
	1561	_("<log sev=\"%S\" tstamp=\"%T\" p.f=\"%F\" p.l=\"%L\" p.s=\"%E\" "), 64);
	1562	#else
	1563	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
	1564	(void) sl_strlcpy(ehead_format, _("%S %T "), 64);
	1565	else
	1566	(void) sl_strlcpy(ehead_format, _("%S %T (%F, %L, %E) "), 64);
	1567	#endif
	1568	}
	1569
	1570	/* header of error message
	1571	*/
	1572	#ifdef SH_USE_XML
	1573	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1574	(void) sl_strlcpy (sev, _("RCVT"), 11);
	1575	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
	1576	(void) sl_strlcpy (sev, _("DEBG"), 11);
	1577	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
	1578	(void) sl_strlcpy (sev, _("INFO"), 11);
	1579	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
	1580	(void) sl_strlcpy (sev, _("NOTE"), 11);
	1581	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
	1582	(void) sl_strlcpy (sev, _("WARN"), 11);
	1583	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
	1584	(void) sl_strlcpy (sev, _("MARK"), 11);
	1585	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
	1586	(void) sl_strlcpy (sev, _("ERRO"), 11);
	1587	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
	1588	(void) sl_strlcpy (sev, _("CRIT"), 11);
	1589	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
	1590	(void) sl_strlcpy (sev, _("ALRT"), 11);
	1591	else {
	1592	(void) sl_strlcpy (sev, _("????"), 11);
	1593	#else
	1594	#if defined(INET_SYSLOG)
	1595	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1596	(void) sl_strlcpy (sev, _("<NET> : "), 11);
	1597	#else
	1598	if ( (lmsg->severity & SH_ERR_INET) != 0)
	1599	(void) sl_strlcpy (sev, _("<TCP> : "), 11);
	1600	#endif
	1601	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
	1602	(void) sl_strlcpy (sev, _("DEBUG : "), 11);
	1603	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
	1604	(void) sl_strlcpy (sev, _("INFO : "), 11);
	1605	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
	1606	(void) sl_strlcpy (sev, _("NOTICE : "), 11);
	1607	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
	1608	(void) sl_strlcpy (sev, _("WARN : "), 11);
	1609	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
	1610	(void) sl_strlcpy (sev, _("MARK : "), 11);
	1611	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
	1612	(void) sl_strlcpy (sev, _("ERROR : "), 11);
	1613	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
	1614	(void) sl_strlcpy (sev, _("CRIT : "), 11);
	1615	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
	1616	(void) sl_strlcpy (sev, _("ALERT : "), 11);
	1617	else {
	1618	(void) sl_strlcpy (sev, _("??? : "), 11);
	1619	#endif
	1620	}
	1621
[132]	1622	(void) sh_unix_time (0, tst, 64);
[1]	1623	line = (unsigned long) lmsg->line;
	1624	(void) sl_strlcpy (cla, _(class_cat[lmsg->class]), 11);
	1625
	1626	/@i@/rep_ehead_tab[0].data_str = sev;
	1627	/@i@/rep_ehead_tab[1].data_str = tst;
	1628	/@i@/rep_ehead_tab[2].data_str = lmsg->file;
	1629	/@i@/rep_ehead_tab[3].data_ulong = line;
	1630	/@i@/rep_ehead_tab[4].data_str = cla;
	1631	/@i@/rep_ehead_tab[5].data_long = lmsg->status;
	1632
	1633	p = /@i@/sh_util_formatted(ehead_format, rep_ehead_tab);
	1634
	1635	/* --- copy the header to lmsg->msg ---
	1636	*/
	1637	/@i@/lmsg->msg = SH_ALLOC(SH_BUFSIZE);
	1638	lmsg->msg_len = SH_BUFSIZE;
	1639
	1640	if (p)
	1641	{
	1642	(void) sl_strlcpy (lmsg->msg, p, SH_BUFSIZE);
	1643	SH_FREE(p);
	1644	}
	1645	else
	1646	{
	1647	lmsg->msg[0] = '\0';
	1648	}
	1649
	1650
	1651	/* --- copy message to lmsg->msg ---
	1652	*/
	1653	if ( NULL == strchr(lmsg->format, '%') )
	1654	{
	1655	(void) sl_strlcat (lmsg->msg, lmsg->format, (size_t) lmsg->msg_len);
	1656	}
	1657	else
	1658	{
	1659	/* use VA_COPY */
	1660	/@i@/VA_COPY(vl2, vl);
	1661	len = sl_strlen(lmsg->msg);
	1662	/@i@/required = sl_vsnprintf(&(lmsg->msg[len]),
[22]	1663	(lmsg->msg_len - len), lmsg->format, vl);
[170]	1664
[34]	1665	if ((required >= 0) &&
	1666	sl_ok_adds(required, len) &&
	1667	sl_ok_adds((required+len), 4) &&
	1668	((required + len) > (lmsg->msg_len - 4)) )
[1]	1669	{
	1670	/@i@/p = SH_ALLOC(required + len + 4);
	1671	(void) sl_strlcpy (p, lmsg->msg, required + len + 1);
	1672	SH_FREE(lmsg->msg);
	1673	lmsg->msg = p;
	1674	lmsg->msg_len = required + len + 4;
	1675	(void) sl_vsnprintf(&(lmsg->msg[len]),
[170]	1676	(required + 1), lmsg->format, vl2);
[1]	1677	}
	1678	va_end(vl2);
	1679	}
	1680
	1681	#ifdef SH_USE_XML
	1682	/* closing tag
	1683	*/
	1684	if (lmsg->msg[sl_strlen(lmsg->msg)-1] != '>')
	1685	(void) sl_strlcat (lmsg->msg, _(" />"), lmsg->msg_len);
	1686	#endif
	1687
	1688	SL_RETURN(0, _("sh_error_string"));
	1689	}
	1690
	1691
	1692
	1693
	1694	/* --- Initialize. ---
	1695	*/
	1696	static int sh_error_init ()
	1697	{
	1698	register int j;
	1699
	1700	SL_ENTER(_("sh_error_init"));
	1701
	1702	errFlags.debug = 0;
	1703	errFlags.HaveLog = GOOD;
	1704	errFlags.sysloglevel = SH_ERR_NOT;
	1705	#if defined(SH_STEALTH)
	1706	errFlags.loglevel = SH_ERR_NOT;
	1707	#else
	1708	errFlags.loglevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1709	SH_ERR_FATAL);
	1710	#endif
	1711	errFlags.externallevel = SH_ERR_NOT;
	1712	errFlags.databaselevel = SH_ERR_NOT;
	1713	errFlags.preludelevel = SH_ERR_NOT;
	1714	errFlags.maillevel = SH_ERR_FATAL;
	1715	#if defined(SH_STEALTH)
	1716	errFlags.printlevel = SH_ERR_NOT;
	1717	#else
	1718	errFlags.printlevel = (SH_ERR_INFO \| SH_ERR_NOTICE \| SH_ERR_WARN \|
	1719	SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1720	SH_ERR_FATAL);
[5]	1721	flag_err_info = SL_TRUE;
[1]	1722	#endif
[65]	1723
	1724	#if defined(SH_WITH_SERVER)
	1725	errFlags.exportlevel = SH_ERR_NOT;
	1726	#else
[1]	1727	errFlags.exportlevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
	1728	SH_ERR_FATAL);
[65]	1729	#endif
[1]	1730
	1731	errFlags.log_class = 0xFFFF;
	1732	errFlags.print_class = 0xFFFF;
	1733	errFlags.mail_class = 0xFFFF;
	1734	errFlags.export_class = 0xFFFF;
	1735	errFlags.syslog_class = 0xFFFF;
	1736	errFlags.external_class = 0xFFFF;
	1737	errFlags.database_class = 0xFFFF;
	1738	errFlags.prelude_class = 0xFFFF;
	1739
	1740
	1741	for (j = 0; j < SH_ERR_T_END; ++j)
	1742	ShDFLevel[j] = SH_ERR_SEVERE;
	1743
	1744	IsInitialized = GOOD;
	1745	SL_RETURN (0, _("sh_error_init"));
	1746	}

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