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source: trunk/src/sh_error.c@ 137

Last change on this file since 137 was 133, checked in by rainer, 17 years ago
Reentrant checksum/hash functions.
File size: 38.0 KB

Line
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
22	/* required on linux to get the correct strerror_r function
23	*/
24	#define _XOPEN_SOURCE 600
25	#include <string.h>
26	#include <stdio.h>
27	#include <stdlib.h>
28	#include <stdarg.h>
29	#include <ctype.h>
30	#include <limits.h>
31	#include <errno.h>
32
33	/* Required on FreeBSD
34	*/
35	#include <sys/types.h>
36
37	#ifdef HAVE_MEMORY_H
38	#include <memory.h>
39	#endif
40
41	#if defined(HAVE_MLOCK) && !defined(HAVE_BROKEN_MLOCK)
42	#include <sys/mman.h>
43	#endif
44
45
46
47	#include "samhain.h"
48
49	#include "sh_cat.h"
50	#include "sh_database.h"
51	#include "sh_error.h"
52	#include "sh_utils.h"
53	#include "sh_unix.h"
54	#include "sh_tiger.h"
55	#include "sh_mail.h"
56	#include "sh_forward.h"
57	#include "sh_prelude.h"
58
59	#if defined(WITH_DATABASE)
60	#include "sh_tools.h"
61	#endif
62
63	#if defined(WITH_EXTERNAL)
64	#include "sh_extern.h"
65	#endif
66
67	#undef FIL__
68	#define FIL__ _("sh_error.c")
69	/@-noret -compmempass@/
70	extern int clt_class;
71
72	int flag_err_debug = SL_FALSE;
73	int flag_err_info = SL_FALSE;
74
75	int ShDFLevel[SH_ERR_T_END];
76
77	typedef struct _log_t {
78	char file[SH_PATHBUF];
79	char format[SH_PATHBUF];
80	/@null@/char * msg;
81	size_t msg_len;
82	int severity;
83	int class;
84	int pid;
85	long status;
86	long line;
87	char timestamp[TIM_MAX];
88	} sh_log_t;
89
90
91	struct _errFlags errFlags;
92
93	static int sh_error_init (void);
94
95	/@owned@//@null@/inline
96	static char * get_format(unsigned long msg_id, /@out@/int * priority,
97	/@out@/unsigned int * class);
98
99	static int sh_error_string (struct _log_t * lmsg, va_list vl);
100
101	extern int sh_log_console (/@null@/char *message);
102	extern int sh_log_syslog (int severity, /@null@/char *message);
103	extern int sh_log_file (/@null@/char *message,
104	/@null@/char * inet_peer);
105	/* convert a string to a numeric priority
106	*/
107	int sh_error_convert_level (const char * str_s);
108
109	static int IsInitialized = BAD;
110
111	/* --- Only log to stderr. ---
112	*/
113	int OnlyStderr = S_TRUE;
114
115	/* --- Enable facilities not safe for closeall(). ---
116	*/
117	int enableUnsafe = S_FALSE;
118
119	/*********************************************
120	* utility functions for verifying entries
121	*********************************************/
122
123	int sh_error_verify (const char * s)
124	{
125	char * foo;
126	char hashbuf[KEYBUF_SIZE];
127
128	if (s[0] == '/')
129	{
130	foo = sh_tiger_hash_gpg (s, TIGER_FILE, 0);
131	fprintf (stdout, _("%s\n"), foo);
132	SH_FREE(foo);
133	}
134	else
135	{
136	fprintf (stdout, _("string=<%s>, hash=<%s>\n"),
137	s, sh_tiger_hash (s, TIGER_DATA,
138	(unsigned long) sl_strlen(s),
139	hashbuf, sizeof(hashbuf))
140	);
141	}
142	(void) fflush(stdout);
143	_exit (EXIT_SUCCESS);
144	/@i@/return 0;
145	}
146
147
148
149	/*********************************************
150	* end utility functions
151	*********************************************/
152
153	void sh_error_only_stderr (int flag)
154	{
155	OnlyStderr = flag;
156	return;
157	}
158
159	void sh_error_enable_unsafe (int flag)
160	{
161	enableUnsafe = flag;
162	return;
163	}
164
165	static int dbg_store = 0;
166	static int dbg_flag = 0;
167
168	static
169	void compute_flag_err_debug()
170	{
171	if ((errFlags.loglevel & SH_ERR_ALL) != 0)
172	flag_err_debug = SL_TRUE;
173	else if ((errFlags.printlevel & SH_ERR_ALL) != 0)
174	flag_err_debug = SL_TRUE;
175	else if ((errFlags.maillevel & SH_ERR_ALL) != 0)
176	flag_err_debug = SL_TRUE;
177	else if ((errFlags.exportlevel & SH_ERR_ALL) != 0)
178	flag_err_debug = SL_TRUE;
179	else if ((errFlags.sysloglevel & SH_ERR_ALL) != 0)
180	flag_err_debug = SL_TRUE;
181	else if ((errFlags.externallevel & SH_ERR_ALL) != 0)
182	flag_err_debug = SL_TRUE;
183	else if ((errFlags.databaselevel & SH_ERR_ALL) != 0)
184	flag_err_debug = SL_TRUE;
185	else if ((errFlags.preludelevel & SH_ERR_ALL) != 0)
186	flag_err_debug = SL_TRUE;
187	else
188	flag_err_debug = SL_FALSE;
189	return;
190	}
191
192	static
193	void compute_flag_err_info()
194	{
195	if ((errFlags.loglevel & SH_ERR_INFO) != 0)
196	flag_err_info = SL_TRUE;
197	else if ((errFlags.printlevel & SH_ERR_INFO) != 0)
198	flag_err_info = SL_TRUE;
199	else if ((errFlags.maillevel & SH_ERR_INFO) != 0)
200	flag_err_info = SL_TRUE;
201	else if ((errFlags.exportlevel & SH_ERR_INFO) != 0)
202	flag_err_info = SL_TRUE;
203	else if ((errFlags.sysloglevel & SH_ERR_INFO) != 0)
204	flag_err_info = SL_TRUE;
205	else if ((errFlags.externallevel & SH_ERR_INFO) != 0)
206	flag_err_info = SL_TRUE;
207	else if ((errFlags.databaselevel & SH_ERR_INFO) != 0)
208	flag_err_info = SL_TRUE;
209	else if ((errFlags.preludelevel & SH_ERR_INFO) != 0)
210	flag_err_info = SL_TRUE;
211	else
212	flag_err_info = SL_FALSE;
213	return;
214	}
215
216	void sh_error_dbg_switch()
217	{
218	if (dbg_flag == 0)
219	{
220	dbg_store = errFlags.printlevel;
221	errFlags.printlevel = (SH_ERR_ALL \| SH_ERR_INFO \| SH_ERR_NOTICE \|
222	SH_ERR_WARN \| SH_ERR_STAMP \| SH_ERR_ERR \|
223	SH_ERR_SEVERE \| SH_ERR_FATAL);
224	dbg_flag = 1;
225	flag_err_debug = SL_TRUE;
226	}
227	else {
228	errFlags.printlevel = dbg_store;
229	dbg_store = 0;
230	dbg_flag = 0;
231	compute_flag_err_debug();
232	}
233	return;
234	}
235
236	static int sh_error_set_classmask (const char * str, int * facility_mask)
237	{
238	char * p;
239	int num = 0;
240	unsigned int i;
241	size_t len;
242	char * c;
243
244	SL_ENTER(_("sh_error_set_classmask"));
245
246	if (str == NULL)
247	SL_RETURN( -1, _("sh_error_set_classmask"));
248
249	if (IsInitialized == BAD)
250	(void) sh_error_init();
251
252	if (str[0] == (char) 34)
253	++str;
254	len = strlen(str);
255
256	c = SH_ALLOC(len+1);
257	sl_strlcpy(c, str, len+1);
258
259	if (c[len-1] == (char) 34)
260	c[len-1] = '\0';
261
262	*facility_mask = 0;
263
264	do {
265	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
266	char * saveptr;
267	if (num == 0) {
268	p = strtok_r (c, " ,\t", &saveptr);
269	++num;
270	} else {
271	p = strtok_r (NULL, " ,\t", &saveptr);
272	}
273	#else
274	if (num == 0) {
275	p = strtok (c, " ,\t");
276	++num;
277	} else {
278	p = strtok (NULL, " ,\t");
279	}
280	#endif
281
282	if (p == NULL)
283	break;
284
285	for (i = 0; i < SH_CLA_MAX; ++i)
286	{
287	if (i < SH_CLA_RAW_MAX) {
288	if (0 == strcmp(p, _(class_cat[i])))
289	*facility_mask \|= (1 << i);
290	} else {
291	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 0])))
292	*facility_mask \|= OTHER_CLA;
293	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 1])))
294	*facility_mask \|= RUN_NEW;
295	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 2])))
296	*facility_mask \|= FIL_NEW;
297	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 3])))
298	*facility_mask \|= ERROR_CLA;
299	}
300	}
301
302	} while (p);
303
304	SH_FREE(c);
305	SL_RETURN( 0, _("sh_error_set_classmask"));
306	}
307
308	int sh_error_log_mask (const char * c)
309	{
310	return (sh_error_set_classmask(c, &(errFlags.log_class)));
311	}
312	int sh_error_mail_mask (const char * c)
313	{
314	return (sh_error_set_classmask(c, &(errFlags.mail_class)));
315	}
316	int sh_error_print_mask (const char * c)
317	{
318	return (sh_error_set_classmask(c, &(errFlags.print_class)));
319	}
320	int sh_error_export_mask (const char * c)
321	{
322	return (sh_error_set_classmask(c, &(errFlags.export_class)));
323	}
324	int sh_error_syslog_mask (const char * c)
325	{
326	return (sh_error_set_classmask(c, &(errFlags.syslog_class)));
327	}
328	int sh_error_external_mask (const char * c)
329	{
330	return (sh_error_set_classmask(c, &(errFlags.external_class)));
331	}
332	int sh_error_database_mask (const char * c)
333	{
334	return (sh_error_set_classmask(c, &(errFlags.database_class)));
335	}
336	int sh_error_prelude_mask (const char * c)
337	{
338	return (sh_error_set_classmask(c, &(errFlags.prelude_class)));
339	}
340
341
342
343	char * sh_error_message (int tellme, char * str, size_t len)
344	{
345
346	#if defined(HAVE_STRERROR_R)
347	strerror_r(tellme, str, len);
348	return str;
349	#elif defined(HAVE_STRERROR)
350	sl_strlcpy(str, strerror(tellme), len);
351	return str;
352	#else
353
354	char *p = NULL;
355	#ifdef EACCES
356	if (tellme == EACCES) p = _("Permission denied.");
357	#endif
358	#ifdef EAGAIN
359	if (tellme == EAGAIN) p = _("Try again.");
360	#endif
361	#ifdef EBADF
362	if (tellme == EBADF) p = _("File descriptor in bad state.");
363	#endif
364	#ifdef EEXIST
365	if (tellme == EEXIST) p = _("File exists.");
366	#endif
367	#ifdef EFAULT
368	if (tellme == EFAULT) p = _("Bad address.");
369	#endif
370	#ifdef EINVAL
371	if (tellme == EINVAL) p = _("Invalid argument.");
372	#endif
373	#ifdef EISDIR
374	if (tellme == EISDIR) p = _("Is a directory.");
375	#endif
376	#ifdef EINTR
377	if (tellme == EINTR) p = _("System call was interrupted.");
378	#endif
379	#ifdef EIO
380	if (tellme == EIO) p = _("Low-level I/O error.");
381	#endif
382	#ifdef ELOOP
383	if (tellme == ELOOP) p = _("Too many symbolic links encountered.");
384	#endif
385	#ifdef EMFILE
386	if (tellme == EMFILE) p = _("Too many open files.");
387	#endif
388	#ifdef EMLINK
389	if (tellme == EMLINK) p = _("Too many links.");
390	#endif
391	#ifdef ENAMETOOLONG
392	if (tellme == ENAMETOOLONG)
393	p = _("File name too long.");
394	#endif
395	#ifdef ENFILE
396	if (tellme == ENFILE) p = _("File table overflow.");
397	#endif
398	#ifdef ENOENT
399	if (tellme == ENOENT) p = _("File does not exist.");
400	#endif
401	#ifdef ENOMEM
402	if (tellme == ENOMEM) p = _("Out of memory.");
403	#endif
404	#ifdef ENOSPC
405	if (tellme == ENOSPC) p = _("No space on device.");
406	#endif
407	#ifdef ENOTDIR
408	if (tellme == ENOTDIR) p = _("Not a directory.");
409	#endif
410	#ifdef ENOTSOCK
411	if (tellme == ENOTSOCK) p = _("Not a socket.");
412	#endif
413	#ifdef EOPNOTSUPP
414	if (tellme == EOPNOTSUPP) p = _("Socket is not of type SOCK_STREAM.");
415	#endif
416	#ifdef EPERM
417	if (tellme == EPERM) p = _("Permission denied.");
418	#endif
419	#ifdef EPIPE
420	if (tellme == EPIPE) p = _("No read on pipe.");
421	#endif
422	#ifdef EROFS
423	if (tellme == EROFS) p = _("Read-only file system.");
424	#endif
425	#ifdef ETXTBSY
426	if (tellme == ETXTBSY) p = _("Text file busy.");
427	#endif
428	#ifdef EWOULDBLOCK
429	if (tellme == EWOULDBLOCK)
430	p = _("No connections on non-blocking socket.");
431	#endif
432	#ifdef EXDEV
433	if (tellme == EXDEV) p = _("Not on same file system.");
434	#endif
435	if (!p) p = _("Unknown error");
436	sl_strlcpy(str, p, len);
437	return str;
438	#endif /* ifndef HAVE_STRERROR */
439	}
440
441
442	/* switch off file log
443	*/
444	void sh_error_logoff()
445	{
446	errFlags.HaveLog = BAD;
447	return;
448	}
449
450	/* switch on file log
451	*/
452	void sh_error_logrestore()
453	{
454	errFlags.HaveLog = GOOD;
455	return;
456	}
457
458	/* --- Relate priority levels to literals. ---
459	*/
460	typedef struct eef
461	{
462	char * str;
463	int val;
464	} eef_struc;
465
466	static eef_struc eef_tab[] =
467	{
468	{ N_("none"), SH_ERR_NOT },
469	{ N_("debug"), SH_ERR_ALL },
470	{ N_("info"), SH_ERR_INFO },
471	{ N_("notice"), SH_ERR_NOTICE },
472	{ N_("warn"), SH_ERR_WARN },
473	{ N_("mark"), SH_ERR_STAMP },
474	{ N_("err"), SH_ERR_ERR },
475	{ N_("crit"), SH_ERR_SEVERE },
476	{ N_("alert"), SH_ERR_FATAL },
477	#if defined(SH_WITH_SERVER)
478	#define SH_EEF_MAX 10
479	{ N_("inet"), SH_ERR_INET },
480	#else
481	#define SH_EEF_MAX 9
482	#endif
483	};
484
485	int sh_error_convert_level (const char * str_s)
486	{
487	int i;
488	int level = (-1);
489
490	SL_ENTER(_("sh_error_convert_level"));
491
492	if (str_s == NULL)
493	SL_RETURN( -1, _("sh_error_convert_level"));
494
495	for (i = 0; i < SH_EEF_MAX; ++i)
496	{
497	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
498	sl_strlen(eef_tab[i].str)))
499	{
500	level = eef_tab[i].val;
501	break;
502	}
503	}
504
505	SL_RETURN( level, _("sh_error_convert_level"));
506	}
507
508
509	/* --- Set severity levels. ---
510	*/
511	int sh_error_set_iv (int iv, const char * str_s)
512	{
513	int level = (-1);
514
515	SL_ENTER(_("sh_error_set_iv"));
516
517	if (IsInitialized == BAD)
518	(void) sh_error_init();
519
520	level = sh_error_convert_level (str_s);
521
522	if (level == (-1))
523	{
524	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
525	_("severity"),
526	str_s != NULL ? str_s : _("(NULL)"));
527	SL_RETURN (-1, _("sh_error_set_iv"));
528	}
529
530	if (iv > SH_ERR_T_START && iv < SH_ERR_T_END)
531	{
532	ShDFLevel[iv] = level;
533	}
534	else
535	{
536	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALL,
537	_("severity"), (long) iv);
538	SL_RETURN (-1, _("sh_error_set_iv"));
539	}
540	SL_RETURN (0, _("sh_error_set_iv"));
541	}
542
543	int sh_error_set_level(const char * str_in, int * facility)
544	{
545	register int i, j, f = BAD;
546
547	int old_facility;
548	const char * str_s = str_in;
549
550	SL_ENTER(_("sh_error_set_level"));
551
552	if (IsInitialized == BAD)
553	(void) sh_error_init();
554
555	old_facility = *facility;
556	*facility = 0;
557
558	checkstr:
559
560	if (str_s != NULL)
561	{
562	if (0 == sl_strncmp(str_s, _(eef_tab[0].str), sl_strlen(eef_tab[0].str)))
563	{
564	facility \|= eef_tab[0].val; / This is 'none' */
565	for (i = 1; i < SH_EEF_MAX; ++i)
566	*facility &= ~eef_tab[i].val;
567	f = GOOD;
568	}
569	else if (str_s[0] == '') / all */
570	{
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] == '=')
576	{
577	for (i = 1; i < SH_EEF_MAX; ++i)
578	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
579	sl_strlen(eef_tab[i].str)))
580	{
581	*facility \|= eef_tab[i].val;
582	f = GOOD;
583	}
584	}
585	else if (str_s[0] == '!')
586	{
587	if (str_s[1] == '*' \|\|
588	0 == sl_strncmp(&str_s[1], _(eef_tab[1].str),
589	sl_strlen(eef_tab[1].str)))
590	{
591	facility \|= eef_tab[0].val; / This is 'none' */
592	for (i = 1; i < SH_EEF_MAX; ++i)
593	*facility &= ~eef_tab[i].val;
594	f = GOOD;
595	}
596	else if (str_s[1] == '=')
597	{
598	for (i = 1; i < SH_EEF_MAX; ++i)
599	{
600	if (0 == sl_strncmp(&str_s[2], _(eef_tab[i].str),
601	sl_strlen(eef_tab[i].str)))
602	{
603	*facility &= ~eef_tab[i].val;
604	f = GOOD;
605	}
606	}
607	}
608	else
609	{
610	for (i = 1; i < SH_EEF_MAX; ++i)
611	{
612	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
613	sl_strlen(eef_tab[i].str)))
614	{
615	for (j = i; j < SH_EEF_MAX; ++j)
616	{
617	*facility &= ~eef_tab[j].val;
618	}
619	f = GOOD;
620	}
621	}
622	}
623	}
624	else /* plain severity name */
625	{
626	for (i = 1; i < SH_EEF_MAX; ++i)
627	{
628	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
629	sl_strlen(eef_tab[i].str)))
630	{
631	for (j = i; j < SH_EEF_MAX; ++j)
632	{
633	*facility \|= eef_tab[j].val;
634	}
635	f = GOOD;
636	break;
637	}
638	}
639	}
640	}
641
642	/* skip to end of string
643	*/
644	while (str_s != '\0' && str_s != ';' && *str_s != ',' &&
645	str_s != ' ' && str_s != '\t')
646	++str_s;
647
648	/* skip seperator
649	*/
650	while ((*str_s != '\0') &&
651	(str_s == ';' \|\| str_s == ',' \|\| str_s == ' ' \|\| str_s == '\t'))
652	++str_s;
653
654	if (*str_s != '\0')
655	{
656	f = BAD;
657	goto checkstr;
658	}
659
660	if (f == BAD)
661	{
662	*facility = old_facility;
663	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
664	_("priority"), str_in);
665	SL_RETURN (-1, _("sh_error_set_level"));
666	}
667	compute_flag_err_debug();
668	compute_flag_err_info();
669	SL_RETURN (0, _("sh_error_set_level"));
670	}
671
672	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
673	/* set severity for TCP export
674	*/
675	int sh_error_setexport(const char * str_s)
676	{
677	static int reject = 0;
678	if (reject == 1)
679	return (0);
680
681	if (sh.flag.opts == S_TRUE)
682	reject = 1;
683
684	return (sh_error_set_level(str_s, &errFlags.exportlevel));
685	}
686	#endif
687
688	/* set severity for printing
689	*/
690	extern void dlog_set_active(int flag);
691
692	int sh_error_setprint(const char * str_s)
693	{
694	static int reject = 0;
695	int retval;
696
697	if (reject == 1)
698	return (0);
699
700	if (sh.flag.opts == S_TRUE)
701	reject = 1;
702
703	retval = sh_error_set_level(str_s, &errFlags.printlevel);
704
705	if (0 != (errFlags.printlevel & SH_ERR_INFO))
706	dlog_set_active(1);
707	if (0 != (errFlags.printlevel & SH_ERR_ALL))
708	dlog_set_active(2);
709	return retval;
710	}
711
712
713	/* set level for error logging
714	*/
715	int sh_error_setlog(const char * str_s)
716	{
717	static int reject = 0;
718	if (reject == 1)
719	return (0);
720
721	if (sh.flag.opts == S_TRUE)
722	reject = 1;
723
724	return ( sh_error_set_level(str_s, &errFlags.loglevel) );
725	}
726
727
728	/* set severity for syslog
729	*/
730	int sh_error_set_syslog (const char * str_s)
731	{
732	static int reject = 0;
733	if (reject == 1)
734	return (0);
735
736	if (sh.flag.opts == S_TRUE)
737	reject = 1;
738
739	return (sh_error_set_level(str_s, &errFlags.sysloglevel));
740	}
741
742	#if defined(WITH_EXTERNAL)
743	/* set severity for external
744	*/
745	int sh_error_set_external (const char * str_s)
746	{
747	static int reject = 0;
748	if (reject == 1)
749	return (0);
750
751	if (sh.flag.opts == S_TRUE)
752	reject = 1;
753
754	return (sh_error_set_level(str_s, &errFlags.externallevel));
755	}
756	#endif
757
758	#if defined(WITH_DATABASE)
759	/* set severity for database
760	*/
761	int sh_error_set_database (const char * str_s)
762	{
763	static int reject = 0;
764	if (reject == 1)
765	return (0);
766
767	if (sh.flag.opts == S_TRUE)
768	reject = 1;
769
770	return (sh_error_set_level(str_s, &errFlags.databaselevel));
771	}
772	#endif
773
774	#if defined(HAVE_LIBPRELUDE)
775	/* set severity for prelude
776	*/
777	int sh_error_set_prelude (const char * str_s)
778	{
779	static int reject = 0;
780
781	if (reject == 1)
782	return (0);
783
784	if (sh.flag.opts == S_TRUE)
785	reject = 1;
786
787	return sh_error_set_level(str_s, &errFlags.preludelevel);
788	}
789	#endif
790
791	/* init or re-init log facilities that need it
792	*/
793	void sh_error_fixup()
794	{
795	#if defined(HAVE_LIBPRELUDE_9)
796	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
797	sh_prelude_init();
798	else
799	sh_prelude_stop();
800	#endif
801	#ifdef WITH_DATABASE
802	sh_database_reset();
803	#endif
804	return;
805	}
806
807	/* to be called from sh_prelude_reset
808	*/
809	void sh_error_init_prelude()
810	{
811	#if defined(HAVE_LIBPRELUDE_9)
812	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
813	sh_prelude_init();
814	else
815	sh_prelude_stop();
816	#endif
817	return;
818	}
819
820
821	/* set severity for mailing
822	*/
823	int sh_error_setseverity (const char * str_s)
824	{
825	static int reject = 0;
826	if (reject == 1)
827	return (0);
828
829	if (sh.flag.opts == S_TRUE)
830	reject = 1;
831
832	return (sh_error_set_level(str_s, &errFlags.maillevel));
833	}
834
835	#ifdef SH_WITH_SERVER
836	static char inet_peer[SH_MINIBUF] = { '\0' };
837
838	void sh_error_set_peer(const char * str)
839	{
840	if (str == NULL)
841	inet_peer[0] = '\0';
842	else
843	sl_strlcpy(inet_peer, str, SH_MINIBUF);
844	}
845	#endif
846
847
848	/**********************************************************
849	**********************************************************
850	*
851	* -------- MAIN ERROR HANDLING FUNCTION -----------------
852	*
853	*
854	* this function should be called to report an error
855	*
856	**********************************************************
857	**********************************************************/
858
859	void sh_error_handle (int sev, char * file, long line,
860	long status, unsigned long msg_id, ...)
861	{
862	va_list vl; /* argument list */
863	struct _log_t * lmsg;
864
865	int severity;
866	unsigned int class;
867	char * fmt;
868
869	int flag_inet = S_FALSE;
870	int class_inet = clt_class; /* initialize from global */
871
872	#ifdef SH_WITH_SERVER
873	char local_inet_peer[SH_MINIBUF];
874	#endif
875
876	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
877	char * ex_msg;
878	#endif
879	#if defined(WITH_DATABASE)
880	char * escape_msg;
881	#endif
882
883	static int own_block = 0;
884
885	/*
886	* Block a facility for errors generated
887	* within that facility.
888	*/
889	static int print_block = 0;
890	#if defined(SH_WITH_MAIL)
891	static int mail_block = 0;
892	#endif
893	static int syslog_block = 0;
894	static int log_block = 0;
895	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
896	static int export_block = 0;
897	#endif
898	#if defined(WITH_EXTERNAL)
899	static int external_block = 0;
900	#endif
901	#if defined(WITH_DATABASE)
902	static int database_block = 0;
903	#endif
904	#ifdef HAVE_LIBPRELUDE
905	static int prelude_block = 0;
906	#endif
907
908	SL_ENTER(_("sh_error_handle"));
909
910	#ifdef SH_WITH_SERVER
911	/* copy the global string into a local array
912	*/
913	if ((msg_id == MSG_TCP_MSG) && (inet_peer[0] != '\0'))
914	{
915	sl_strlcpy(local_inet_peer, inet_peer, SH_MINIBUF);
916	sh_error_set_peer(NULL);
917	}
918	else
919	local_inet_peer[0] = '\0';
920	#endif
921
922	clt_class = (-1); /* reset global */
923
924	if (own_block == 1)
925	{
926	SL_RET0(_("sh_error_handle"));
927	}
928
929	/* --- Initialize to default values. ---
930	*/
931	own_block = 1;
932	if (IsInitialized == BAD)
933	(void) sh_error_init();
934	own_block = 0;
935
936	/* --- Consistency checks. ---
937	*/
938	own_block = 1;
939	fmt = /@i@/get_format (msg_id, &severity, &class);
940	own_block = 0;
941
942	if (class_inet != (-1))
943	class = (unsigned int) class_inet;
944
945	ASSERT((fmt != NULL), _("fmt != NULL"))
946	if (fmt == NULL)
947	{
948	fprintf(stderr,
949	_("ERROR: msg=<NULL format>, file=<%s>, line=<%ld>\n"),
950	file, line);
951	SL_RET0(_("sh_error_handle"));
952	}
953
954	/* --- Override the catalogue severity. ---
955	*/
956	if (sev != (-1))
957	severity = sev;
958
959	/* these are messages from remote sources
960	*/
961	if ((severity & SH_ERR_INET) != 0)
962	{
963	flag_inet = S_TRUE;
964	}
965
966	/* --- Messages not wanted for logging. ---
967	*/
968	if ( ( (errFlags.printlevel & severity ) == 0 \|\|
969	(errFlags.print_class & (1 << class)) == 0 ) &&
970	( (errFlags.loglevel & severity ) == 0 \|\|
971	(errFlags.log_class & (1 << class)) == 0 ) &&
972	( (errFlags.sysloglevel & severity ) == 0 \|\|
973	(errFlags.syslog_class & (1 << class)) == 0 ) &&
974	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_CLIENT)
975	( (errFlags.exportlevel & severity ) == 0 \|\|
976	(errFlags.export_class & (1 << class)) == 0 ) &&
977	#endif
978	#ifdef WITH_EXTERNAL
979	( (errFlags.externallevel & severity ) == 0 \|\|
980	(errFlags.external_class & (1 << class)) == 0 ) &&
981	#endif
982	#ifdef HAVE_LIBPRELUDE
983	( (errFlags.preludelevel & severity ) == 0 \|\|
984	(errFlags.prelude_class & (1 << class)) == 0 ) &&
985	#endif
986	#ifdef WITH_DATABASE
987	( (errFlags.databaselevel & severity ) == 0 \|\|
988	(errFlags.database_class & (1 << class)) == 0 ) &&
989	#endif
990	( (errFlags.maillevel & severity ) == 0 \|\|
991	(errFlags.mail_class & (1 << class)) == 0 )
992	#ifdef SH_WITH_SERVER
993	&& (flag_inet == S_FALSE) /* still log messages from remote sources */
994	#endif
995	)
996	{
997	SL_RET0(_("sh_error_handle"));
998	}
999
1000	if ((severity & SH_ERR_NOT) != 0)
1001	{
1002	SL_RET0(_("sh_error_handle"));
1003	}
1004
1005
1006	/* Allocate space for the message.
1007	*/
1008	own_block = 1;
1009	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
1010	MLOCK( (char *) lmsg, sizeof(struct _log_t));
1011	/@i@/lmsg->msg = NULL;
1012
1013	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
1014	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
1015	lmsg->severity = severity;
1016	lmsg->class = (int) class;
1017	lmsg->line = line;
1018	lmsg->status = status;
1019	own_block = 0;
1020
1021
1022	/* Format the log message with timestamp etc.
1023	* Allocate lmsg->msg
1024	*/
1025	own_block = 1;
1026	va_start (vl, msg_id);
1027	(void) sh_error_string (lmsg, vl);
1028	va_end (vl);
1029	own_block = 0;
1030
1031
1032	/* Log to stderr.
1033	*/
1034	if ( ((errFlags.printlevel & severity) != 0 &&
1035	(errFlags.print_class & (1 << class)) != 0 &&
1036	(errFlags.printlevel & SH_ERR_NOT) == 0)
1037	#ifdef SH_WITH_SERVER
1038	\|\| (flag_inet == S_TRUE)
1039	#endif
1040	)
1041	{
1042	if (print_block == 0 && (errFlags.printlevel & SH_ERR_NOT) == 0)
1043	{
1044	/* no truncation
1045	*/
1046	print_block = 1;
1047	TPT(( 0, FIL__, __LINE__, lmsg->msg));
1048	/*
1049	* Reports first error after failure. Always tries.
1050	*/
1051	(void) sh_log_console (lmsg->msg);
1052	print_block = 0;
1053	}
1054	}
1055
1056
1057	/* Full logging enabled.
1058	*/
1059	if (OnlyStderr == S_FALSE) /* full error logging enabled */
1060	{
1061
1062	/* Log to syslog.
1063	*/
1064	if ( (errFlags.sysloglevel & severity) != 0 &&
1065	(errFlags.syslog_class & (1 << class)) != 0 &&
1066	#ifndef INET_SYSLOG
1067	(flag_inet != S_TRUE) && /* !inet->syslog */
1068	#endif
1069	(errFlags.sysloglevel & SH_ERR_NOT) == 0 )
1070	{
1071	/* will truncate to 1023 bytes
1072	*/
1073	if (syslog_block == 0)
1074	{
1075	syslog_block = 1;
1076	/*
1077	* Ignores errors. Always tries.
1078	*/
1079	(void) sh_log_syslog (lmsg->severity, lmsg->msg);
1080	syslog_block = 0;
1081	}
1082	}
1083
1084	#if defined(WITH_EXTERNAL)
1085	/*
1086	* -- external facility
1087	*/
1088	if ((errFlags.externallevel & severity) != 0 &&
1089	(errFlags.external_class & (1 << class)) != 0 &&
1090	(errFlags.externallevel & SH_ERR_NOT) == 0 &&
1091	class != AUD)
1092	{
1093	if (external_block == 0)
1094	{
1095	/* no truncation
1096	*/
1097	external_block = 1;
1098	/*
1099	* Reports first error after failure. Always tries.
1100	*/
1101	(void) sh_ext_execute ('l', 'o', 'g', lmsg->msg, 0);
1102	external_block = 0;
1103	}
1104	}
1105	#endif
1106
1107	#if defined(WITH_DATABASE)
1108	/*
1109	* -- database facility
1110	*/
1111	if ((errFlags.databaselevel & severity) != 0 &&
1112	(errFlags.database_class & (1 << class)) != 0 &&
1113	(errFlags.databaselevel & SH_ERR_NOT) == 0 &&
1114	class != AUD)
1115	{
1116	if (database_block == 0 && enableUnsafe == S_TRUE)
1117	{
1118	/* truncates; query_max is 16k
1119	*/
1120	database_block = 1;
1121	#ifndef SH_STANDALONE
1122	if (msg_id == MSG_TCP_MSG
1123	#ifdef INET_SYSLOG
1124	\|\| msg_id == MSG_INET_SYSLOG
1125	#endif
1126	)
1127	{
1128	/* do not escape twice
1129	*/
1130	/*
1131	* Reports failure every 60 min. Always tries.
1132	*/
1133	(void) sh_database_insert (lmsg->msg);
1134	}
1135	else
1136	#endif
1137	{
1138	escape_msg = sh_tools_safe_name(lmsg->msg, 0);
1139	/*
1140	* Reports failure every 60 min. Always tries.
1141	*/
1142	(void) sh_database_insert (escape_msg);
1143	SH_FREE(escape_msg);
1144	}
1145	database_block = 0;
1146	}
1147	}
1148	#endif
1149
1150	/****************************************************
1151	* Optionally include client code for TCP forwarding
1152	* to log server
1153	****************************************************/
1154	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
1155	/* Export by TCP.
1156	*/
1157
1158	if ( ((errFlags.exportlevel & severity ) != 0 &&
1159	(errFlags.export_class & (1 << class)) != 0 &&
1160	(errFlags.exportlevel & SH_ERR_NOT) == 0 &&
1161	class != AUD )
1162	#ifdef SH_WITH_SERVER
1163	/* always log inet to export */
1164	\|\| (flag_inet == S_TRUE && sh.srvexport.name[0] != '\0')
1165	#endif
1166	/* sh.flag.isserver != GOOD && */
1167	/* (flag_inet == S_FALSE) / / don't log inet to export */
1168	)
1169	{
1170	if (export_block == 0)
1171	{
1172	int retval;
1173	size_t ex_len;
1174
1175	/* will truncate to 65280 bytes
1176	*/
1177	export_block = 1;
1178	/* ex_len = 64 + sl_strlen(lmsg->msg) + 1; */
1179	ex_len = sl_strlen(lmsg->msg);
1180	if (sl_ok_adds(ex_len, 65))
1181	ex_len = 64 + ex_len + 1;
1182	ex_msg = SH_ALLOC (ex_len);
1183
1184	sl_snprintf(ex_msg, ex_len, _("%d?%u?%s"),
1185	severity, class, lmsg->msg);
1186	retval = sh_forward (ex_msg);
1187	SH_FREE(ex_msg);
1188	export_block = 0;
1189	if (retval == -2)
1190	{
1191	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1192	_("log server"));
1193	}
1194	}
1195	}
1196	#endif
1197
1198
1199	/* Log to mail.
1200	*/
1201	#if defined(SH_WITH_MAIL)
1202	if ((errFlags.maillevel & severity ) != 0 &&
1203	(errFlags.mail_class & (1 << class)) != 0 &&
1204	(errFlags.maillevel & SH_ERR_NOT) == 0 &&
1205	class != AUD &&
1206	(flag_inet == S_FALSE) ) /* don't log inet to email */
1207	{
1208	if (mail_block == 0)
1209	{
1210	int retval;
1211
1212	/* will truncate to 998 bytes
1213	*/
1214	mail_block = 1;
1215
1216	BREAKEXIT(sh_mail_msg);
1217	if ( (severity & SH_ERR_FATAL) == 0)
1218	retval = sh_mail_pushstack (lmsg->msg);
1219	else
1220	retval = sh_mail_msg (lmsg->msg);
1221
1222	mail_block = 0;
1223	if (retval == -2)
1224	{
1225	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1226	_("email"));
1227	}
1228	}
1229	}
1230	#endif
1231
1232	#ifdef HAVE_LIBPRELUDE
1233	if (((errFlags.preludelevel & severity ) != 0 &&
1234	(errFlags.prelude_class & (1 << class)) != 0 &&
1235	(errFlags.preludelevel & SH_ERR_NOT) == 0 &&
1236	(class != AUD))
1237	#ifdef SH_WITH_SERVER
1238	\|\| (flag_inet == S_TRUE)
1239	#endif
1240	)
1241	{
1242	if (prelude_block == 0 && enableUnsafe == S_TRUE)
1243	{
1244	/* will truncate to 998 bytes
1245	*/
1246	prelude_block = 1;
1247
1248	BREAKEXIT(sh_prelude_alert);
1249	/*
1250	* Reports first error after failure. Always tries.
1251	*/
1252	(void) sh_prelude_alert (severity, (int) class, lmsg->msg,
1253	lmsg->status, msg_id);
1254
1255	prelude_block = 0;
1256	}
1257	}
1258	#endif
1259
1260	/* Log to logfile
1261	*/
1262
1263	if ( ( ( (errFlags.loglevel & severity) != 0 &&
1264	(errFlags.log_class & (1 << class)) != 0 &&
1265	(errFlags.loglevel & SH_ERR_NOT) == 0 )
1266	#ifdef SH_WITH_SERVER
1267	\|\| (flag_inet == S_TRUE)
1268	#endif
1269	) &&
1270	class != AUD &&
1271	(errFlags.HaveLog != BAD) && /* temporary switched off */
1272	(severity & SH_ERR_NOT) == 0 /* paranoia */
1273	)
1274	{
1275	if (log_block == 0)
1276	{
1277	/* no truncation
1278	*/
1279	log_block = 1;
1280	BREAKEXIT(sh_log_file);
1281	#ifdef SH_WITH_SERVER
1282	if (0 != sl_ret_euid())
1283	{
1284	/*
1285	* Reports first error after failure. Always tries.
1286	*/
1287	if (local_inet_peer[0] == '\0')
1288	(void) sh_log_file (lmsg->msg, NULL);
1289	else
1290	(void) sh_log_file (lmsg->msg, local_inet_peer);
1291	}
1292	#else
1293	(void) sh_log_file (lmsg->msg, NULL);
1294	#endif
1295	/* sh_log_file (lmsg->msg); */
1296	log_block = 0;
1297	}
1298	}
1299
1300	}
1301
1302	/* Cleanup.
1303	*/
1304	own_block = 1;
1305
1306	if (lmsg->msg)
1307	SH_FREE( lmsg->msg );
1308
1309	memset ( lmsg, (int) '\0', sizeof(struct _log_t) );
1310	MUNLOCK( (char *) lmsg, sizeof(struct _log_t) );
1311	SH_FREE( lmsg );
1312	own_block = 0;
1313
1314	/@i@/SL_RET0(_("sh_error_handle"));
1315	/@i@/}
1316
1317
1318	/* -------------------------
1319	*
1320	* private functions below
1321	*
1322	* -------------------------
1323	*/
1324
1325
1326	/* --- Get the format from the message catalog. ---
1327	*/
1328	/@owned@/ /@null@/inline
1329	static char * get_format(unsigned long msg_id, /@out@/ int * priority,
1330	/@out@/unsigned int * class)
1331	{
1332	int i = 0;
1333
1334	SL_ENTER(_("get_format"));
1335	while (1 == 1)
1336	{
1337	if ( msg_cat[i].format == NULL )
1338	break;
1339
1340	if ( (unsigned long) msg_cat[i].id == msg_id)
1341	{
1342	*priority = (int) msg_cat[i].priority;
1343	*class = (unsigned int) msg_cat[i].class;
1344	SL_RETURN (_(msg_cat[i].format), _("get_format"));
1345	}
1346	++i;
1347	}
1348	*priority = SH_ERR_ERR;
1349	*class = ERR;
1350	SL_RETURN (NULL, _("get_format"));
1351	}
1352
1353	/@null@//@only@/static char * ehead_format = NULL;
1354
1355	/* allocate space for user-defined message header
1356	*/
1357	int sh_error_ehead (/@null@/const char * str_s)
1358	{
1359	size_t size;
1360	const char * s;
1361
1362	SL_ENTER(_("sh_error_ehead"));
1363
1364	if (str_s == NULL)
1365	{
1366	SL_RETURN (-1, _("sh_error_ehead"));
1367	}
1368
1369	/* ascii 34 ist t\"ttelchen
1370	*/
1371	/@i@/ if (str_s[0] == 34) s = &str_s[1];
1372	else s = str_s;
1373
1374	size = /@i@/strlen(s);
1375	if (/@i@/s[size-1] == (char) 34) --size; /* truncate */
1376
1377	if (ehead_format != NULL)
1378	SH_FREE(ehead_format);
1379
1380	/@i@/ehead_format = SH_ALLOC(size+1);
1381	/@i@/ (void) sl_strlcpy(ehead_format, s, size+1);
1382
1383	SL_RETURN( 0, _("sh_error_ehead"));
1384	}
1385
1386	#if !defined(VA_COPY)
1387	#if defined(__GNUC__) && defined(__PPC__) && (defined(_CALL_SYSV) \|\| defined(_WIN32))
1388	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1389	#elif defined(VA_COPY_AS_ARRAY)
1390	#define VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
1391	#else /* va_list is a pointer */
1392	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1393	#endif
1394	#endif
1395
1396
1397	/* print an error into string
1398	*/
1399	static int sh_error_string (struct _log_t * lmsg, va_list vl)
1400	{
1401	size_t len;
1402	int required;
1403	unsigned long line;
1404	char sev[16] = "";
1405	char cla[16] = "";
1406	char tst[64] = "";
1407	char *p;
1408	va_list vl2;
1409
1410	st_format rep_ehead_tab[] = {
1411	{ 'S', S_FMT_STRING, 0, 0, NULL}, /* severity */
1412	{ 'T', S_FMT_STRING, 0, 0, NULL}, /* timestamp */
1413	{ 'F', S_FMT_STRING, 0, 0, NULL}, /* file */
1414	{ 'L', S_FMT_ULONG, 0, 0, NULL}, /* line */
1415	{ 'C', S_FMT_STRING, 0, 0, NULL}, /* class */
1416	{ 'E', S_FMT_LONG, 0, 0, NULL}, /* status */
1417	{'\0', S_FMT_ULONG, 0, 0, NULL},
1418	};
1419
1420	SL_ENTER(_("sh_error_string"));
1421
1422	if (ehead_format == NULL)
1423	{
1424	ehead_format = SH_ALLOC(64);
1425	#ifdef SH_USE_XML
1426	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1427	(void) sl_strlcpy(ehead_format,
1428	_("<log sev=\"%S\" tstamp=\"%T\" "), 64);
1429	else
1430	(void) sl_strlcpy(ehead_format,
1431	_("<log sev=\"%S\" tstamp=\"%T\" p.f=\"%F\" p.l=\"%L\" p.s=\"%E\" "), 64);
1432	#else
1433	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1434	(void) sl_strlcpy(ehead_format, _("%S %T "), 64);
1435	else
1436	(void) sl_strlcpy(ehead_format, _("%S %T (%F, %L, %E) "), 64);
1437	#endif
1438	}
1439
1440	/* header of error message
1441	*/
1442	#ifdef SH_USE_XML
1443	if ( (lmsg->severity & SH_ERR_INET) != 0)
1444	(void) sl_strlcpy (sev, _("RCVT"), 11);
1445	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1446	(void) sl_strlcpy (sev, _("DEBG"), 11);
1447	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1448	(void) sl_strlcpy (sev, _("INFO"), 11);
1449	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1450	(void) sl_strlcpy (sev, _("NOTE"), 11);
1451	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1452	(void) sl_strlcpy (sev, _("WARN"), 11);
1453	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1454	(void) sl_strlcpy (sev, _("MARK"), 11);
1455	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1456	(void) sl_strlcpy (sev, _("ERRO"), 11);
1457	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1458	(void) sl_strlcpy (sev, _("CRIT"), 11);
1459	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1460	(void) sl_strlcpy (sev, _("ALRT"), 11);
1461	else {
1462	(void) sl_strlcpy (sev, _("????"), 11);
1463	#else
1464	#if defined(INET_SYSLOG)
1465	if ( (lmsg->severity & SH_ERR_INET) != 0)
1466	(void) sl_strlcpy (sev, _("<NET> : "), 11);
1467	#else
1468	if ( (lmsg->severity & SH_ERR_INET) != 0)
1469	(void) sl_strlcpy (sev, _("<TCP> : "), 11);
1470	#endif
1471	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1472	(void) sl_strlcpy (sev, _("DEBUG : "), 11);
1473	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1474	(void) sl_strlcpy (sev, _("INFO : "), 11);
1475	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1476	(void) sl_strlcpy (sev, _("NOTICE : "), 11);
1477	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1478	(void) sl_strlcpy (sev, _("WARN : "), 11);
1479	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1480	(void) sl_strlcpy (sev, _("MARK : "), 11);
1481	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1482	(void) sl_strlcpy (sev, _("ERROR : "), 11);
1483	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1484	(void) sl_strlcpy (sev, _("CRIT : "), 11);
1485	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1486	(void) sl_strlcpy (sev, _("ALERT : "), 11);
1487	else {
1488	(void) sl_strlcpy (sev, _("??? : "), 11);
1489	#endif
1490	}
1491
1492	(void) sh_unix_time (0, tst, 64);
1493	line = (unsigned long) lmsg->line;
1494	(void) sl_strlcpy (cla, _(class_cat[lmsg->class]), 11);
1495
1496	/@i@/rep_ehead_tab[0].data_str = sev;
1497	/@i@/rep_ehead_tab[1].data_str = tst;
1498	/@i@/rep_ehead_tab[2].data_str = lmsg->file;
1499	/@i@/rep_ehead_tab[3].data_ulong = line;
1500	/@i@/rep_ehead_tab[4].data_str = cla;
1501	/@i@/rep_ehead_tab[5].data_long = lmsg->status;
1502
1503	p = /@i@/sh_util_formatted(ehead_format, rep_ehead_tab);
1504
1505	/* --- copy the header to lmsg->msg ---
1506	*/
1507	/@i@/lmsg->msg = SH_ALLOC(SH_BUFSIZE);
1508	lmsg->msg_len = SH_BUFSIZE;
1509
1510	if (p)
1511	{
1512	(void) sl_strlcpy (lmsg->msg, p, SH_BUFSIZE);
1513	SH_FREE(p);
1514	}
1515	else
1516	{
1517	lmsg->msg[0] = '\0';
1518	}
1519
1520
1521	/* --- copy message to lmsg->msg ---
1522	*/
1523	if ( NULL == strchr(lmsg->format, '%') )
1524	{
1525	(void) sl_strlcat (lmsg->msg, lmsg->format, (size_t) lmsg->msg_len);
1526	}
1527	else
1528	{
1529	/* use VA_COPY */
1530	/@i@/VA_COPY(vl2, vl);
1531	len = sl_strlen(lmsg->msg);
1532	/@i@/required = sl_vsnprintf(&(lmsg->msg[len]),
1533	(lmsg->msg_len - len), lmsg->format, vl);
1534	if ((required >= 0) &&
1535	sl_ok_adds(required, len) &&
1536	sl_ok_adds((required+len), 4) &&
1537	((required + len) > (lmsg->msg_len - 4)) )
1538	{
1539	/@i@/p = SH_ALLOC(required + len + 4);
1540	(void) sl_strlcpy (p, lmsg->msg, required + len + 1);
1541	SH_FREE(lmsg->msg);
1542	lmsg->msg = p;
1543	lmsg->msg_len = required + len + 4;
1544	(void) sl_vsnprintf(&(lmsg->msg[len]),
1545	(required + len + 1), lmsg->format, vl2);
1546	}
1547	va_end(vl2);
1548	}
1549
1550	#ifdef SH_USE_XML
1551	/* closing tag
1552	*/
1553	if (lmsg->msg[sl_strlen(lmsg->msg)-1] != '>')
1554	(void) sl_strlcat (lmsg->msg, _(" />"), lmsg->msg_len);
1555	#endif
1556
1557	SL_RETURN(0, _("sh_error_string"));
1558	}
1559
1560
1561
1562
1563	/* --- Initialize. ---
1564	*/
1565	static int sh_error_init ()
1566	{
1567	register int j;
1568
1569	SL_ENTER(_("sh_error_init"));
1570
1571	errFlags.debug = 0;
1572	errFlags.HaveLog = GOOD;
1573	errFlags.sysloglevel = SH_ERR_NOT;
1574	#if defined(SH_STEALTH)
1575	errFlags.loglevel = SH_ERR_NOT;
1576	#else
1577	errFlags.loglevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1578	SH_ERR_FATAL);
1579	#endif
1580	errFlags.externallevel = SH_ERR_NOT;
1581	errFlags.databaselevel = SH_ERR_NOT;
1582	errFlags.preludelevel = SH_ERR_NOT;
1583	errFlags.maillevel = SH_ERR_FATAL;
1584	#if defined(SH_STEALTH)
1585	errFlags.printlevel = SH_ERR_NOT;
1586	#else
1587	errFlags.printlevel = (SH_ERR_INFO \| SH_ERR_NOTICE \| SH_ERR_WARN \|
1588	SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1589	SH_ERR_FATAL);
1590	flag_err_info = SL_TRUE;
1591	#endif
1592
1593	#if defined(SH_WITH_SERVER)
1594	errFlags.exportlevel = SH_ERR_NOT;
1595	#else
1596	errFlags.exportlevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1597	SH_ERR_FATAL);
1598	#endif
1599
1600	errFlags.log_class = 0xFFFF;
1601	errFlags.print_class = 0xFFFF;
1602	errFlags.mail_class = 0xFFFF;
1603	errFlags.export_class = 0xFFFF;
1604	errFlags.syslog_class = 0xFFFF;
1605	errFlags.external_class = 0xFFFF;
1606	errFlags.database_class = 0xFFFF;
1607	errFlags.prelude_class = 0xFFFF;
1608
1609
1610	for (j = 0; j < SH_ERR_T_END; ++j)
1611	ShDFLevel[j] = SH_ERR_SEVERE;
1612
1613	IsInitialized = GOOD;
1614	SL_RETURN (0, _("sh_error_init"));
1615	}

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