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source: trunk/src/sh_error.c@ 52

Last change on this file since 52 was 34, checked in by rainer, 18 years ago
Code cleanup and minor fixes
File size: 37.2 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	#include <stdio.h>
23	#include <stdlib.h>
24	#include <stdarg.h>
25	#include <string.h>
26	#include <ctype.h>
27	#include <limits.h>
28	#include <errno.h>
29
30	/* Required on FreeBSD
31	*/
32	#include <sys/types.h>
33
34	#ifdef HAVE_MEMORY_H
35	#include <memory.h>
36	#endif
37
38	#if defined(HAVE_MLOCK) && !defined(HAVE_BROKEN_MLOCK)
39	#include <sys/mman.h>
40	#endif
41
42
43
44	#include "samhain.h"
45
46	#include "sh_cat.h"
47	#include "sh_database.h"
48	#include "sh_error.h"
49	#include "sh_utils.h"
50	#include "sh_unix.h"
51	#include "sh_tiger.h"
52	#include "sh_mail.h"
53	#include "sh_forward.h"
54	#include "sh_prelude.h"
55
56	#if defined(WITH_DATABASE)
57	#include "sh_tools.h"
58	#endif
59
60	#if defined(WITH_EXTERNAL)
61	#include "sh_extern.h"
62	#endif
63
64	#undef FIL__
65	#define FIL__ _("sh_error.c")
66	/@-noret -compmempass@/
67	extern int clt_class;
68
69	int flag_err_debug = SL_FALSE;
70	int flag_err_info = SL_FALSE;
71
72	int ShDFLevel[SH_ERR_T_END];
73
74	typedef struct _log_t {
75	char file[SH_PATHBUF];
76	char format[SH_PATHBUF];
77	/@null@/char * msg;
78	size_t msg_len;
79	int severity;
80	int class;
81	int pid;
82	long status;
83	long line;
84	char timestamp[TIM_MAX];
85	} sh_log_t;
86
87
88	struct _errFlags errFlags;
89
90	static int sh_error_init (void);
91
92	/@owned@//@null@/inline
93	static char * get_format(unsigned long msg_id, /@out@/int * priority,
94	/@out@/unsigned int * class);
95
96	static int sh_error_string (struct _log_t * lmsg, va_list vl);
97
98	extern int sh_log_console (/@null@/char *message);
99	extern int sh_log_syslog (int severity, /@null@/char *message);
100	extern int sh_log_file (/@null@/char *message,
101	/@null@/char * inet_peer);
102	/* convert a string to a numeric priority
103	*/
104	int sh_error_convert_level (const char * str_s);
105
106	static int IsInitialized = BAD;
107
108	/* --- Only log to stderr. ---
109	*/
110	int OnlyStderr = S_TRUE;
111
112
113	/*********************************************
114	* utility functions for verifying entries
115	*********************************************/
116
117	int sh_error_verify (const char * s)
118	{
119	char * foo;
120
121	if (s[0] == '/')
122	{
123	foo = sh_tiger_hash_gpg (s, TIGER_FILE, 0);
124	fprintf (stdout, _("%s\n"), foo);
125	SH_FREE(foo);
126	}
127	else
128	{
129	fprintf (stdout, _("string=<%s>, hash=<%s>\n"),
130	s, sh_tiger_hash (s, TIGER_DATA,
131	(unsigned long) sl_strlen(s)));
132	}
133	(void) fflush(stdout);
134	_exit (EXIT_SUCCESS);
135	/@i@/return 0;
136	}
137
138
139
140	/*********************************************
141	* end utility functions
142	*********************************************/
143
144	void sh_error_only_stderr (int flag)
145	{
146	OnlyStderr = flag;
147	return;
148	}
149
150	static int dbg_store = 0;
151	static int dbg_flag = 0;
152
153	static
154	void compute_flag_err_debug()
155	{
156	if ((errFlags.loglevel & SH_ERR_ALL) != 0)
157	flag_err_debug = SL_TRUE;
158	else if ((errFlags.printlevel & SH_ERR_ALL) != 0)
159	flag_err_debug = SL_TRUE;
160	else if ((errFlags.maillevel & SH_ERR_ALL) != 0)
161	flag_err_debug = SL_TRUE;
162	else if ((errFlags.exportlevel & SH_ERR_ALL) != 0)
163	flag_err_debug = SL_TRUE;
164	else if ((errFlags.sysloglevel & SH_ERR_ALL) != 0)
165	flag_err_debug = SL_TRUE;
166	else if ((errFlags.externallevel & SH_ERR_ALL) != 0)
167	flag_err_debug = SL_TRUE;
168	else if ((errFlags.databaselevel & SH_ERR_ALL) != 0)
169	flag_err_debug = SL_TRUE;
170	else if ((errFlags.preludelevel & SH_ERR_ALL) != 0)
171	flag_err_debug = SL_TRUE;
172	else
173	flag_err_debug = SL_FALSE;
174	return;
175	}
176
177	static
178	void compute_flag_err_info()
179	{
180	if ((errFlags.loglevel & SH_ERR_INFO) != 0)
181	flag_err_info = SL_TRUE;
182	else if ((errFlags.printlevel & SH_ERR_INFO) != 0)
183	flag_err_info = SL_TRUE;
184	else if ((errFlags.maillevel & SH_ERR_INFO) != 0)
185	flag_err_info = SL_TRUE;
186	else if ((errFlags.exportlevel & SH_ERR_INFO) != 0)
187	flag_err_info = SL_TRUE;
188	else if ((errFlags.sysloglevel & SH_ERR_INFO) != 0)
189	flag_err_info = SL_TRUE;
190	else if ((errFlags.externallevel & SH_ERR_INFO) != 0)
191	flag_err_info = SL_TRUE;
192	else if ((errFlags.databaselevel & SH_ERR_INFO) != 0)
193	flag_err_info = SL_TRUE;
194	else if ((errFlags.preludelevel & SH_ERR_INFO) != 0)
195	flag_err_info = SL_TRUE;
196	else
197	flag_err_info = SL_FALSE;
198	return;
199	}
200
201	void sh_error_dbg_switch()
202	{
203	if (dbg_flag == 0)
204	{
205	dbg_store = errFlags.printlevel;
206	errFlags.printlevel = (SH_ERR_ALL \| SH_ERR_INFO \| SH_ERR_NOTICE \|
207	SH_ERR_WARN \| SH_ERR_STAMP \| SH_ERR_ERR \|
208	SH_ERR_SEVERE \| SH_ERR_FATAL);
209	dbg_flag = 1;
210	flag_err_debug = SL_TRUE;
211	}
212	else {
213	errFlags.printlevel = dbg_store;
214	dbg_store = 0;
215	dbg_flag = 0;
216	compute_flag_err_debug();
217	}
218	return;
219	}
220
221	static int sh_error_set_classmask (const char * str, int * facility_mask)
222	{
223	char * p;
224	int num = 0;
225	unsigned int i;
226	size_t len;
227	char * c;
228
229	SL_ENTER(_("sh_error_set_classmask"));
230
231	if (str == NULL)
232	SL_RETURN( -1, _("sh_error_set_classmask"));
233
234	if (IsInitialized == BAD)
235	(void) sh_error_init();
236
237	if (str[0] == (char) 34)
238	++str;
239	len = strlen(str);
240
241	c = SH_ALLOC(len+1);
242	sl_strlcpy(c, str, len+1);
243
244	if (c[len-1] == (char) 34)
245	c[len-1] = '\0';
246
247	*facility_mask = 0;
248
249	do {
250	if (num == 0)
251	{
252	p = strtok (c, " ,\t");
253	++num;
254	}
255	else
256	p = strtok (NULL, " ,\t");
257
258	if (p == NULL)
259	break;
260
261	for (i = 0; i < SH_CLA_MAX; ++i)
262	{
263	if (i < SH_CLA_RAW_MAX) {
264	if (0 == strcmp(p, _(class_cat[i])))
265	*facility_mask \|= (1 << i);
266	} else {
267	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 0])))
268	*facility_mask \|= OTHER_CLA;
269	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 1])))
270	*facility_mask \|= RUN_NEW;
271	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 2])))
272	*facility_mask \|= FIL_NEW;
273	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 3])))
274	*facility_mask \|= ERROR_CLA;
275	}
276	}
277
278	} while (p);
279
280	SH_FREE(c);
281	SL_RETURN( 0, _("sh_error_set_classmask"));
282	}
283
284	int sh_error_log_mask (const char * c)
285	{
286	return (sh_error_set_classmask(c, &(errFlags.log_class)));
287	}
288	int sh_error_mail_mask (const char * c)
289	{
290	return (sh_error_set_classmask(c, &(errFlags.mail_class)));
291	}
292	int sh_error_print_mask (const char * c)
293	{
294	return (sh_error_set_classmask(c, &(errFlags.print_class)));
295	}
296	int sh_error_export_mask (const char * c)
297	{
298	return (sh_error_set_classmask(c, &(errFlags.export_class)));
299	}
300	int sh_error_syslog_mask (const char * c)
301	{
302	return (sh_error_set_classmask(c, &(errFlags.syslog_class)));
303	}
304	int sh_error_external_mask (const char * c)
305	{
306	return (sh_error_set_classmask(c, &(errFlags.external_class)));
307	}
308	int sh_error_database_mask (const char * c)
309	{
310	return (sh_error_set_classmask(c, &(errFlags.database_class)));
311	}
312	int sh_error_prelude_mask (const char * c)
313	{
314	return (sh_error_set_classmask(c, &(errFlags.prelude_class)));
315	}
316
317
318
319	/@owned@/char * sh_error_message (int tellme)
320	{
321
322	#if defined(HAVE_STRERROR)
323	/@i@/return strerror(tellme);
324	#else
325
326	#ifdef EACCES
327	if (tellme == EACCES) return _("Permission denied.");
328	#endif
329	#ifdef EAGAIN
330	if (tellme == EAGAIN) return _("Try again.");
331	#endif
332	#ifdef EBADF
333	if (tellme == EBADF) return _("File descriptor in bad state.");
334	#endif
335	#ifdef EEXIST
336	if (tellme == EEXIST) return _("File exists.");
337	#endif
338	#ifdef EFAULT
339	if (tellme == EFAULT) return _("Bad address.");
340	#endif
341	#ifdef EINVAL
342	if (tellme == EINVAL) return _("Invalid argument.");
343	#endif
344	#ifdef EISDIR
345	if (tellme == EISDIR) return _("Is a directory.");
346	#endif
347	#ifdef EINTR
348	if (tellme == EINTR) return _("System call was interrupted.");
349	#endif
350	#ifdef EIO
351	if (tellme == EIO) return _("Low-level I/O error.");
352	#endif
353	#ifdef ELOOP
354	if (tellme == ELOOP) return _("Too many symbolic links encountered.");
355	#endif
356	#ifdef EMFILE
357	if (tellme == EMFILE) return _("Too many open files.");
358	#endif
359	#ifdef EMLINK
360	if (tellme == EMLINK) return _("Too many links.");
361	#endif
362	#ifdef ENAMETOOLONG
363	if (tellme == ENAMETOOLONG)
364	return _("File name too long.");
365	#endif
366	#ifdef ENFILE
367	if (tellme == ENFILE) return _("File table overflow.");
368	#endif
369	#ifdef ENOENT
370	if (tellme == ENOENT) return _("File does not exist.");
371	#endif
372	#ifdef ENOMEM
373	if (tellme == ENOMEM) return _("Out of memory.");
374	#endif
375	#ifdef ENOSPC
376	if (tellme == ENOSPC) return _("No space on device.");
377	#endif
378	#ifdef ENOTDIR
379	if (tellme == ENOTDIR) return _("Not a directory.");
380	#endif
381	#ifdef ENOTSOCK
382	if (tellme == ENOTSOCK) return _("Not a socket.");
383	#endif
384	#ifdef EOPNOTSUPP
385	if (tellme == EOPNOTSUPP) return _("Socket is not of type SOCK_STREAM.");
386	#endif
387	#ifdef EPERM
388	if (tellme == EPERM) return _("Permission denied.");
389	#endif
390	#ifdef EPIPE
391	if (tellme == EPIPE) return _("No read on pipe.");
392	#endif
393	#ifdef EROFS
394	if (tellme == EROFS) return _("Read-only file system.");
395	#endif
396	#ifdef ETXTBSY
397	if (tellme == ETXTBSY) return _("Text file busy.");
398	#endif
399	#ifdef EWOULDBLOCK
400	if (tellme == EWOULDBLOCK)
401	return _("No connections on non-blocking socket.");
402	#endif
403	#ifdef EXDEV
404	if (tellme == EXDEV) return _("Not on same file system.");
405	#endif
406	return _("Unknown error");
407	#endif /* ifndef HAVE_STRERROR */
408	}
409
410
411	/* switch off file log
412	*/
413	void sh_error_logoff()
414	{
415	errFlags.HaveLog = BAD;
416	return;
417	}
418
419	/* switch on file log
420	*/
421	void sh_error_logrestore()
422	{
423	errFlags.HaveLog = GOOD;
424	return;
425	}
426
427	/* --- Relate priority levels to literals. ---
428	*/
429	typedef struct eef
430	{
431	char * str;
432	int val;
433	} eef_struc;
434
435	static eef_struc eef_tab[] =
436	{
437	{ N_("none"), SH_ERR_NOT },
438	{ N_("debug"), SH_ERR_ALL },
439	{ N_("info"), SH_ERR_INFO },
440	{ N_("notice"), SH_ERR_NOTICE },
441	{ N_("warn"), SH_ERR_WARN },
442	{ N_("mark"), SH_ERR_STAMP },
443	{ N_("err"), SH_ERR_ERR },
444	{ N_("crit"), SH_ERR_SEVERE },
445	{ N_("alert"), SH_ERR_FATAL },
446	#if defined(SH_WITH_SERVER)
447	#define SH_EEF_MAX 10
448	{ N_("inet"), SH_ERR_INET },
449	#else
450	#define SH_EEF_MAX 9
451	#endif
452	};
453
454	int sh_error_convert_level (const char * str_s)
455	{
456	int i;
457	int level = (-1);
458
459	SL_ENTER(_("sh_error_convert_level"));
460
461	if (str_s == NULL)
462	SL_RETURN( -1, _("sh_error_convert_level"));
463
464	for (i = 0; i < SH_EEF_MAX; ++i)
465	{
466	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
467	sl_strlen(eef_tab[i].str)))
468	{
469	level = eef_tab[i].val;
470	break;
471	}
472	}
473
474	SL_RETURN( level, _("sh_error_convert_level"));
475	}
476
477
478	/* --- Set severity levels. ---
479	*/
480	int sh_error_set_iv (int iv, const char * str_s)
481	{
482	int level = (-1);
483
484	SL_ENTER(_("sh_error_set_iv"));
485
486	if (IsInitialized == BAD)
487	(void) sh_error_init();
488
489	level = sh_error_convert_level (str_s);
490
491	if (level == (-1))
492	{
493	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
494	_("severity"),
495	str_s != NULL ? str_s : _("(NULL)"));
496	SL_RETURN (-1, _("sh_error_set_iv"));
497	}
498
499	if (iv > SH_ERR_T_START && iv < SH_ERR_T_END)
500	{
501	ShDFLevel[iv] = level;
502	}
503	else
504	{
505	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALL,
506	_("severity"), (long) iv);
507	SL_RETURN (-1, _("sh_error_set_iv"));
508	}
509	SL_RETURN (0, _("sh_error_set_iv"));
510	}
511
512	int sh_error_set_level(const char * str_in, int * facility)
513	{
514	register int i, j, f = BAD;
515
516	int old_facility;
517	const char * str_s = str_in;
518
519	SL_ENTER(_("sh_error_set_level"));
520
521	if (IsInitialized == BAD)
522	(void) sh_error_init();
523
524	old_facility = *facility;
525	*facility = 0;
526
527	checkstr:
528
529	if (str_s != NULL)
530	{
531	if (0 == sl_strncmp(str_s, _(eef_tab[0].str), sl_strlen(eef_tab[0].str)))
532	{
533	facility \|= eef_tab[0].val; / This is 'none' */
534	for (i = 1; i < SH_EEF_MAX; ++i)
535	*facility &= ~eef_tab[i].val;
536	f = GOOD;
537	}
538	else if (str_s[0] == '') / all */
539	{
540	for (i = 1; i < SH_EEF_MAX; ++i)
541	*facility \|= eef_tab[i].val;
542	f = GOOD;
543	}
544	else if (str_s[0] == '=')
545	{
546	for (i = 1; i < SH_EEF_MAX; ++i)
547	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
548	sl_strlen(eef_tab[i].str)))
549	{
550	*facility \|= eef_tab[i].val;
551	f = GOOD;
552	}
553	}
554	else if (str_s[0] == '!')
555	{
556	if (str_s[1] == '*' \|\|
557	0 == sl_strncmp(&str_s[1], _(eef_tab[1].str),
558	sl_strlen(eef_tab[1].str)))
559	{
560	facility \|= eef_tab[0].val; / This is 'none' */
561	for (i = 1; i < SH_EEF_MAX; ++i)
562	*facility &= ~eef_tab[i].val;
563	f = GOOD;
564	}
565	else if (str_s[1] == '=')
566	{
567	for (i = 1; i < SH_EEF_MAX; ++i)
568	{
569	if (0 == sl_strncmp(&str_s[2], _(eef_tab[i].str),
570	sl_strlen(eef_tab[i].str)))
571	{
572	*facility &= ~eef_tab[i].val;
573	f = GOOD;
574	}
575	}
576	}
577	else
578	{
579	for (i = 1; i < SH_EEF_MAX; ++i)
580	{
581	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
582	sl_strlen(eef_tab[i].str)))
583	{
584	for (j = i; j < SH_EEF_MAX; ++j)
585	{
586	*facility &= ~eef_tab[j].val;
587	}
588	f = GOOD;
589	}
590	}
591	}
592	}
593	else /* plain severity name */
594	{
595	for (i = 1; i < SH_EEF_MAX; ++i)
596	{
597	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
598	sl_strlen(eef_tab[i].str)))
599	{
600	for (j = i; j < SH_EEF_MAX; ++j)
601	{
602	*facility \|= eef_tab[j].val;
603	}
604	f = GOOD;
605	break;
606	}
607	}
608	}
609	}
610
611	/* skip to end of string
612	*/
613	while (str_s != '\0' && str_s != ';' && *str_s != ',' &&
614	str_s != ' ' && str_s != '\t')
615	++str_s;
616
617	/* skip seperator
618	*/
619	while ((*str_s != '\0') &&
620	(str_s == ';' \|\| str_s == ',' \|\| str_s == ' ' \|\| str_s == '\t'))
621	++str_s;
622
623	if (*str_s != '\0')
624	{
625	f = BAD;
626	goto checkstr;
627	}
628
629	if (f == BAD)
630	{
631	*facility = old_facility;
632	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
633	_("priority"), str_in);
634	SL_RETURN (-1, _("sh_error_set_level"));
635	}
636	compute_flag_err_debug();
637	compute_flag_err_info();
638	SL_RETURN (0, _("sh_error_set_level"));
639	}
640
641	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
642	/* set severity for TCP export
643	*/
644	int sh_error_setexport(const char * str_s)
645	{
646	static int reject = 0;
647	if (reject == 1)
648	return (0);
649
650	if (sh.flag.opts == S_TRUE)
651	reject = 1;
652
653	return (sh_error_set_level(str_s, &errFlags.exportlevel));
654	}
655	#endif
656
657	/* set severity for printing
658	*/
659	extern void dlog_set_active(int flag);
660
661	int sh_error_setprint(const char * str_s)
662	{
663	static int reject = 0;
664	int retval;
665
666	if (reject == 1)
667	return (0);
668
669	if (sh.flag.opts == S_TRUE)
670	reject = 1;
671
672	retval = sh_error_set_level(str_s, &errFlags.printlevel);
673
674	if (0 != (errFlags.printlevel & SH_ERR_INFO))
675	dlog_set_active(1);
676	if (0 != (errFlags.printlevel & SH_ERR_ALL))
677	dlog_set_active(2);
678	return retval;
679	}
680
681
682	/* set level for error logging
683	*/
684	int sh_error_setlog(const char * str_s)
685	{
686	static int reject = 0;
687	if (reject == 1)
688	return (0);
689
690	if (sh.flag.opts == S_TRUE)
691	reject = 1;
692
693	return ( sh_error_set_level(str_s, &errFlags.loglevel) );
694	}
695
696
697	/* set severity for syslog
698	*/
699	int sh_error_set_syslog (const char * str_s)
700	{
701	static int reject = 0;
702	if (reject == 1)
703	return (0);
704
705	if (sh.flag.opts == S_TRUE)
706	reject = 1;
707
708	return (sh_error_set_level(str_s, &errFlags.sysloglevel));
709	}
710
711	#if defined(WITH_EXTERNAL)
712	/* set severity for external
713	*/
714	int sh_error_set_external (const char * str_s)
715	{
716	static int reject = 0;
717	if (reject == 1)
718	return (0);
719
720	if (sh.flag.opts == S_TRUE)
721	reject = 1;
722
723	return (sh_error_set_level(str_s, &errFlags.externallevel));
724	}
725	#endif
726
727	#if defined(WITH_DATABASE)
728	/* set severity for database
729	*/
730	int sh_error_set_database (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.databaselevel));
740	}
741	#endif
742
743	#if defined(HAVE_LIBPRELUDE)
744	/* set severity for prelude
745	*/
746	int sh_error_set_prelude (const char * str_s)
747	{
748	static int reject = 0;
749
750	if (reject == 1)
751	return (0);
752
753	if (sh.flag.opts == S_TRUE)
754	reject = 1;
755
756	return sh_error_set_level(str_s, &errFlags.preludelevel);
757	}
758	#endif
759
760	/* init or re-init log facilities that need it
761	*/
762	void sh_error_fixup()
763	{
764	#if defined(HAVE_LIBPRELUDE_9)
765	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
766	sh_prelude_init();
767	else
768	sh_prelude_stop();
769	#endif
770	#ifdef WITH_DATABASE
771	sh_database_reset();
772	#endif
773	return;
774	}
775
776	/* to be called from sh_prelude_reset
777	*/
778	void sh_error_init_prelude()
779	{
780	#if defined(HAVE_LIBPRELUDE_9)
781	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
782	sh_prelude_init();
783	else
784	sh_prelude_stop();
785	#endif
786	return;
787	}
788
789
790	/* set severity for mailing
791	*/
792	int sh_error_setseverity (const char * str_s)
793	{
794	static int reject = 0;
795	if (reject == 1)
796	return (0);
797
798	if (sh.flag.opts == S_TRUE)
799	reject = 1;
800
801	return (sh_error_set_level(str_s, &errFlags.maillevel));
802	}
803
804	#ifdef SH_WITH_SERVER
805	static char inet_peer[SH_MINIBUF] = { '\0' };
806
807	void sh_error_set_peer(const char * str)
808	{
809	if (str == NULL)
810	inet_peer[0] = '\0';
811	else
812	sl_strlcpy(inet_peer, str, SH_MINIBUF);
813	}
814	#endif
815
816
817	/**********************************************************
818	**********************************************************
819	*
820	* -------- MAIN ERROR HANDLING FUNCTION -----------------
821	*
822	*
823	* this function should be called to report an error
824	*
825	**********************************************************
826	**********************************************************/
827
828	void sh_error_handle (int sev, char * file, long line,
829	long status, unsigned long msg_id, ...)
830	{
831	va_list vl; /* argument list */
832	struct _log_t * lmsg;
833
834	int severity;
835	unsigned int class;
836	char * fmt;
837
838	int flag_inet = S_FALSE;
839	int class_inet = clt_class; /* initialize from global */
840
841	#ifdef SH_WITH_SERVER
842	char local_inet_peer[SH_MINIBUF];
843	#endif
844
845	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
846	char * ex_msg;
847	#endif
848	#if defined(WITH_DATABASE)
849	char * escape_msg;
850	#endif
851
852	static int own_block = 0;
853
854	/*
855	* Block a facility for errors generated
856	* within that facility.
857	*/
858	static int print_block = 0;
859	#if defined(SH_WITH_MAIL)
860	static int mail_block = 0;
861	#endif
862	static int syslog_block = 0;
863	static int log_block = 0;
864	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
865	static int export_block = 0;
866	#endif
867	#if defined(WITH_EXTERNAL)
868	static int external_block = 0;
869	#endif
870	#if defined(WITH_DATABASE)
871	static int database_block = 0;
872	#endif
873	#ifdef HAVE_LIBPRELUDE
874	static int prelude_block = 0;
875	#endif
876
877	SL_ENTER(_("sh_error_handle"));
878
879	#ifdef SH_WITH_SERVER
880	/* copy the global string into a local array
881	*/
882	if ((msg_id == MSG_TCP_MSG) && (inet_peer[0] != '\0'))
883	{
884	sl_strlcpy(local_inet_peer, inet_peer, SH_MINIBUF);
885	sh_error_set_peer(NULL);
886	}
887	else
888	local_inet_peer[0] = '\0';
889	#endif
890
891	clt_class = (-1); /* reset global */
892
893	if (own_block == 1)
894	{
895	SL_RET0(_("sh_error_handle"));
896	}
897
898	/* --- Initialize to default values. ---
899	*/
900	own_block = 1;
901	if (IsInitialized == BAD)
902	(void) sh_error_init();
903	own_block = 0;
904
905	/* --- Consistency checks. ---
906	*/
907	own_block = 1;
908	fmt = /@i@/get_format (msg_id, &severity, &class);
909	own_block = 0;
910
911	if (class_inet != (-1))
912	class = (unsigned int) class_inet;
913
914	ASSERT((fmt != NULL), _("fmt != NULL"))
915	if (fmt == NULL)
916	{
917	fprintf(stderr,
918	_("ERROR: msg=<NULL format>, file=<%s>, line=<%ld>\n"),
919	file, line);
920	SL_RET0(_("sh_error_handle"));
921	}
922
923	/* --- Override the catalogue severity. ---
924	*/
925	if (sev != (-1))
926	severity = sev;
927
928	/* these are messages from remote sources
929	*/
930	if ((severity & SH_ERR_INET) != 0)
931	{
932	flag_inet = S_TRUE;
933	}
934
935	/* --- Messages not wanted for logging. ---
936	*/
937	if ( ( (errFlags.printlevel & severity ) == 0 \|\|
938	(errFlags.print_class & (1 << class)) == 0 ) &&
939	( (errFlags.loglevel & severity ) == 0 \|\|
940	(errFlags.log_class & (1 << class)) == 0 ) &&
941	( (errFlags.sysloglevel & severity ) == 0 \|\|
942	(errFlags.syslog_class & (1 << class)) == 0 ) &&
943	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_CLIENT)
944	( (errFlags.exportlevel & severity ) == 0 \|\|
945	(errFlags.export_class & (1 << class)) == 0 ) &&
946	#endif
947	#ifdef WITH_EXTERNAL
948	( (errFlags.externallevel & severity ) == 0 \|\|
949	(errFlags.external_class & (1 << class)) == 0 ) &&
950	#endif
951	#ifdef HAVE_LIBPRELUDE
952	( (errFlags.preludelevel & severity ) == 0 \|\|
953	(errFlags.prelude_class & (1 << class)) == 0 ) &&
954	#endif
955	#ifdef WITH_DATABASE
956	( (errFlags.databaselevel & severity ) == 0 \|\|
957	(errFlags.database_class & (1 << class)) == 0 ) &&
958	#endif
959	( (errFlags.maillevel & severity ) == 0 \|\|
960	(errFlags.mail_class & (1 << class)) == 0 )
961	#ifdef SH_WITH_SERVER
962	&& (flag_inet == S_FALSE) /* still log messages from remote sources */
963	#endif
964	)
965	{
966	SL_RET0(_("sh_error_handle"));
967	}
968
969	if ((severity & SH_ERR_NOT) != 0)
970	{
971	SL_RET0(_("sh_error_handle"));
972	}
973
974
975	/* Allocate space for the message.
976	*/
977	own_block = 1;
978	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
979	MLOCK( (char *) lmsg, sizeof(struct _log_t));
980	/@i@/lmsg->msg = NULL;
981
982	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
983	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
984	lmsg->severity = severity;
985	lmsg->class = (int) class;
986	lmsg->line = line;
987	lmsg->status = status;
988	own_block = 0;
989
990
991	/* Format the log message with timestamp etc.
992	* Allocate lmsg->msg
993	*/
994	own_block = 1;
995	va_start (vl, msg_id);
996	(void) sh_error_string (lmsg, vl);
997	va_end (vl);
998	own_block = 0;
999
1000
1001	/* Log to stderr.
1002	*/
1003	if ( ((errFlags.printlevel & severity) != 0 &&
1004	(errFlags.print_class & (1 << class)) != 0 &&
1005	(errFlags.printlevel & SH_ERR_NOT) == 0)
1006	#ifdef SH_WITH_SERVER
1007	\|\| (flag_inet == S_TRUE)
1008	#endif
1009	)
1010	{
1011	if (print_block == 0 && (errFlags.printlevel & SH_ERR_NOT) == 0)
1012	{
1013	/* no truncation
1014	*/
1015	print_block = 1;
1016	TPT(( 0, FIL__, __LINE__, lmsg->msg));
1017	/*
1018	* Reports first error after failure. Always tries.
1019	*/
1020	(void) sh_log_console (lmsg->msg);
1021	print_block = 0;
1022	}
1023	}
1024
1025
1026	/* Full logging enabled.
1027	*/
1028	if (OnlyStderr == BAD) /* full error logging enabled */
1029	{
1030
1031	/* Log to syslog.
1032	*/
1033	if ( (errFlags.sysloglevel & severity) != 0 &&
1034	(errFlags.syslog_class & (1 << class)) != 0 &&
1035	#ifndef INET_SYSLOG
1036	(flag_inet != S_TRUE) && /* !inet->syslog */
1037	#endif
1038	(errFlags.sysloglevel & SH_ERR_NOT) == 0 )
1039	{
1040	/* will truncate to 1023 bytes
1041	*/
1042	if (syslog_block == 0)
1043	{
1044	syslog_block = 1;
1045	/*
1046	* Ignores errors. Always tries.
1047	*/
1048	(void) sh_log_syslog (lmsg->severity, lmsg->msg);
1049	syslog_block = 0;
1050	}
1051	}
1052
1053	#if defined(WITH_EXTERNAL)
1054	/*
1055	* -- external facility
1056	*/
1057	if ((errFlags.externallevel & severity) != 0 &&
1058	(errFlags.external_class & (1 << class)) != 0 &&
1059	(errFlags.externallevel & SH_ERR_NOT) == 0 &&
1060	class != AUD)
1061	{
1062	if (external_block == 0)
1063	{
1064	/* no truncation
1065	*/
1066	external_block = 1;
1067	/*
1068	* Reports first error after failure. Always tries.
1069	*/
1070	(void) sh_ext_execute ('l', 'o', 'g', lmsg->msg, 0);
1071	external_block = 0;
1072	}
1073	}
1074	#endif
1075
1076	#if defined(WITH_DATABASE)
1077	/*
1078	* -- database facility
1079	*/
1080	if ((errFlags.databaselevel & severity) != 0 &&
1081	(errFlags.database_class & (1 << class)) != 0 &&
1082	(errFlags.databaselevel & SH_ERR_NOT) == 0 &&
1083	class != AUD)
1084	{
1085	if (database_block == 0)
1086	{
1087	/* truncates; query_max is 16k
1088	*/
1089	database_block = 1;
1090	#ifndef SH_STANDALONE
1091	if (msg_id == MSG_TCP_MSG
1092	#ifdef INET_SYSLOG
1093	\|\| msg_id == MSG_INET_SYSLOG
1094	#endif
1095	)
1096	{
1097	/* do not escape twice
1098	*/
1099	/*
1100	* Reports failure every 60 min. Always tries.
1101	*/
1102	(void) sh_database_insert (lmsg->msg);
1103	}
1104	else
1105	#endif
1106	{
1107	escape_msg = sh_tools_safe_name(lmsg->msg, 0);
1108	/*
1109	* Reports failure every 60 min. Always tries.
1110	*/
1111	(void) sh_database_insert (escape_msg);
1112	SH_FREE(escape_msg);
1113	}
1114	database_block = 0;
1115	}
1116	}
1117	#endif
1118
1119	/****************************************************
1120	* Optionally include client code for TCP forwarding
1121	* to log server
1122	****************************************************/
1123	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
1124	/* Export by TCP.
1125	*/
1126
1127	if ( ((errFlags.exportlevel & severity ) != 0 &&
1128	(errFlags.export_class & (1 << class)) != 0 &&
1129	(errFlags.exportlevel & SH_ERR_NOT) == 0 &&
1130	class != AUD )
1131	#ifdef SH_WITH_SERVER
1132	\|\| (flag_inet == S_TRUE) /* always log inet to export */
1133	#endif
1134	/* sh.flag.isserver != GOOD && */
1135	/* (flag_inet == S_FALSE) / / don't log inet to export */
1136	)
1137	{
1138	if (export_block == 0)
1139	{
1140	int retval;
1141	size_t ex_len;
1142
1143	/* will truncate to 65280 bytes
1144	*/
1145	export_block = 1;
1146	/* ex_len = 64 + sl_strlen(lmsg->msg) + 1; */
1147	ex_len = sl_strlen(lmsg->msg);
1148	if (sl_ok_adds(ex_len, 65))
1149	ex_len = 64 + ex_len + 1;
1150	ex_msg = SH_ALLOC (ex_len);
1151
1152	sl_snprintf(ex_msg, ex_len, _("%d?%u?%s"),
1153	severity, class, lmsg->msg);
1154	retval = sh_forward (ex_msg);
1155	SH_FREE(ex_msg);
1156	export_block = 0;
1157	if (retval == -2)
1158	{
1159	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1160	_("log server"));
1161	}
1162	}
1163	}
1164	#endif
1165
1166
1167	/* Log to mail.
1168	*/
1169	#if defined(SH_WITH_MAIL)
1170	if ((errFlags.maillevel & severity ) != 0 &&
1171	(errFlags.mail_class & (1 << class)) != 0 &&
1172	(errFlags.maillevel & SH_ERR_NOT) == 0 &&
1173	class != AUD &&
1174	(flag_inet == S_FALSE) ) /* don't log inet to email */
1175	{
1176	if (mail_block == 0)
1177	{
1178	int retval;
1179
1180	/* will truncate to 998 bytes
1181	*/
1182	mail_block = 1;
1183
1184	BREAKEXIT(sh_mail_msg);
1185	if ( (severity & SH_ERR_FATAL) == 0)
1186	retval = sh_mail_pushstack (lmsg->msg);
1187	else
1188	retval = sh_mail_msg (lmsg->msg);
1189
1190	mail_block = 0;
1191	if (retval == -2)
1192	{
1193	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1194	_("email"));
1195	}
1196	}
1197	}
1198	#endif
1199
1200	#ifdef HAVE_LIBPRELUDE
1201	if (((errFlags.preludelevel & severity ) != 0 &&
1202	(errFlags.prelude_class & (1 << class)) != 0 &&
1203	(errFlags.preludelevel & SH_ERR_NOT) == 0 &&
1204	(class != AUD))
1205	#ifdef SH_WITH_SERVER
1206	\|\| (flag_inet == S_TRUE)
1207	#endif
1208	)
1209	{
1210	if (prelude_block == 0)
1211	{
1212	/* will truncate to 998 bytes
1213	*/
1214	prelude_block = 1;
1215
1216	BREAKEXIT(sh_prelude_alert);
1217	/*
1218	* Reports first error after failure. Always tries.
1219	*/
1220	(void) sh_prelude_alert (severity, (int) class, lmsg->msg,
1221	lmsg->status, msg_id);
1222
1223	prelude_block = 0;
1224	}
1225	}
1226	#endif
1227
1228	/* Log to logfile
1229	*/
1230
1231	if ( ( ( (errFlags.loglevel & severity) != 0 &&
1232	(errFlags.log_class & (1 << class)) != 0 &&
1233	(errFlags.loglevel & SH_ERR_NOT) == 0 )
1234	#ifdef SH_WITH_SERVER
1235	\|\| (flag_inet == S_TRUE)
1236	#endif
1237	) &&
1238	class != AUD &&
1239	(errFlags.HaveLog != BAD) && /* temporary switched off */
1240	(severity & SH_ERR_NOT) == 0 /* paranoia */
1241	)
1242	{
1243	if (log_block == 0)
1244	{
1245	/* no truncation
1246	*/
1247	log_block = 1;
1248	BREAKEXIT(sh_log_file);
1249	#ifdef SH_WITH_SERVER
1250	if (0 != sl_ret_euid())
1251	{
1252	/*
1253	* Reports first error after failure. Always tries.
1254	*/
1255	if (local_inet_peer[0] == '\0')
1256	(void) sh_log_file (lmsg->msg, NULL);
1257	else
1258	(void) sh_log_file (lmsg->msg, local_inet_peer);
1259	}
1260	#else
1261	(void) sh_log_file (lmsg->msg, NULL);
1262	#endif
1263	/* sh_log_file (lmsg->msg); */
1264	log_block = 0;
1265	}
1266	}
1267
1268	}
1269
1270	/* Cleanup.
1271	*/
1272	own_block = 1;
1273
1274	if (lmsg->msg)
1275	SH_FREE( lmsg->msg );
1276
1277	memset ( lmsg, (int) '\0', sizeof(struct _log_t) );
1278	MUNLOCK( (char *) lmsg, sizeof(struct _log_t) );
1279	SH_FREE( lmsg );
1280	own_block = 0;
1281
1282	/@i@/SL_RET0(_("sh_error_handle"));
1283	/@i@/}
1284
1285
1286	/* -------------------------
1287	*
1288	* private functions below
1289	*
1290	* -------------------------
1291	*/
1292
1293
1294	/* --- Get the format from the message catalog. ---
1295	*/
1296	/@owned@/ /@null@/inline
1297	static char * get_format(unsigned long msg_id, /@out@/ int * priority,
1298	/@out@/unsigned int * class)
1299	{
1300	int i = 0;
1301
1302	SL_ENTER(_("get_format"));
1303	while (1 == 1)
1304	{
1305	if ( msg_cat[i].format == NULL )
1306	break;
1307
1308	if ( (unsigned long) msg_cat[i].id == msg_id)
1309	{
1310	*priority = (int) msg_cat[i].priority;
1311	*class = (unsigned int) msg_cat[i].class;
1312	SL_RETURN (_(msg_cat[i].format), _("get_format"));
1313	}
1314	++i;
1315	}
1316	*priority = SH_ERR_ERR;
1317	*class = ERR;
1318	SL_RETURN (NULL, _("get_format"));
1319	}
1320
1321	/@null@//@only@/static char * ehead_format = NULL;
1322
1323	/* allocate space for user-defined message header
1324	*/
1325	int sh_error_ehead (/@null@/const char * str_s)
1326	{
1327	size_t size;
1328	const char * s;
1329
1330	SL_ENTER(_("sh_error_ehead"));
1331
1332	if (str_s == NULL)
1333	{
1334	SL_RETURN (-1, _("sh_error_ehead"));
1335	}
1336
1337	/* ascii 34 ist t\"ttelchen
1338	*/
1339	/@i@/ if (str_s[0] == 34) s = &str_s[1];
1340	else s = str_s;
1341
1342	size = /@i@/strlen(s);
1343	if (/@i@/s[size-1] == (char) 34) --size; /* truncate */
1344
1345	if (ehead_format != NULL)
1346	SH_FREE(ehead_format);
1347
1348	/@i@/ehead_format = SH_ALLOC(size+1);
1349	/@i@/ (void) sl_strlcpy(ehead_format, s, size+1);
1350
1351	SL_RETURN( 0, _("sh_error_ehead"));
1352	}
1353
1354	#if !defined(VA_COPY)
1355	#if defined(__GNUC__) && defined(__PPC__) && (defined(_CALL_SYSV) \|\| defined(_WIN32))
1356	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1357	#elif defined(VA_COPY_AS_ARRAY)
1358	#define VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
1359	#else /* va_list is a pointer */
1360	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1361	#endif
1362	#endif
1363
1364
1365	/* print an error into string
1366	*/
1367	static int sh_error_string (struct _log_t * lmsg, va_list vl)
1368	{
1369	size_t len;
1370	int required;
1371	unsigned long line;
1372	char sev[16] = "";
1373	char cla[16] = "";
1374	char tst[64] = "";
1375	char *p;
1376	va_list vl2;
1377
1378	st_format rep_ehead_tab[] = {
1379	{ 'S', S_FMT_STRING, 0, 0, NULL}, /* severity */
1380	{ 'T', S_FMT_STRING, 0, 0, NULL}, /* timestamp */
1381	{ 'F', S_FMT_STRING, 0, 0, NULL}, /* file */
1382	{ 'L', S_FMT_ULONG, 0, 0, NULL}, /* line */
1383	{ 'C', S_FMT_STRING, 0, 0, NULL}, /* class */
1384	{ 'E', S_FMT_LONG, 0, 0, NULL}, /* status */
1385	{'\0', S_FMT_ULONG, 0, 0, NULL},
1386	};
1387
1388	SL_ENTER(_("sh_error_string"));
1389
1390	if (ehead_format == NULL)
1391	{
1392	ehead_format = SH_ALLOC(64);
1393	#ifdef SH_USE_XML
1394	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1395	(void) sl_strlcpy(ehead_format,
1396	_("<log sev=\"%S\" tstamp=\"%T\" "), 64);
1397	else
1398	(void) sl_strlcpy(ehead_format,
1399	_("<log sev=\"%S\" tstamp=\"%T\" p.f=\"%F\" p.l=\"%L\" p.s=\"%E\" "), 64);
1400	#else
1401	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1402	(void) sl_strlcpy(ehead_format, _("%S %T "), 64);
1403	else
1404	(void) sl_strlcpy(ehead_format, _("%S %T (%F, %L, %E) "), 64);
1405	#endif
1406	}
1407
1408	/* header of error message
1409	*/
1410	#ifdef SH_USE_XML
1411	if ( (lmsg->severity & SH_ERR_INET) != 0)
1412	(void) sl_strlcpy (sev, _("RCVT"), 11);
1413	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1414	(void) sl_strlcpy (sev, _("DEBG"), 11);
1415	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1416	(void) sl_strlcpy (sev, _("INFO"), 11);
1417	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1418	(void) sl_strlcpy (sev, _("NOTE"), 11);
1419	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1420	(void) sl_strlcpy (sev, _("WARN"), 11);
1421	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1422	(void) sl_strlcpy (sev, _("MARK"), 11);
1423	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1424	(void) sl_strlcpy (sev, _("ERRO"), 11);
1425	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1426	(void) sl_strlcpy (sev, _("CRIT"), 11);
1427	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1428	(void) sl_strlcpy (sev, _("ALRT"), 11);
1429	else {
1430	(void) sl_strlcpy (sev, _("????"), 11);
1431	#else
1432	#if defined(INET_SYSLOG)
1433	if ( (lmsg->severity & SH_ERR_INET) != 0)
1434	(void) sl_strlcpy (sev, _("<NET> : "), 11);
1435	#else
1436	if ( (lmsg->severity & SH_ERR_INET) != 0)
1437	(void) sl_strlcpy (sev, _("<TCP> : "), 11);
1438	#endif
1439	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1440	(void) sl_strlcpy (sev, _("DEBUG : "), 11);
1441	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1442	(void) sl_strlcpy (sev, _("INFO : "), 11);
1443	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1444	(void) sl_strlcpy (sev, _("NOTICE : "), 11);
1445	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1446	(void) sl_strlcpy (sev, _("WARN : "), 11);
1447	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1448	(void) sl_strlcpy (sev, _("MARK : "), 11);
1449	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1450	(void) sl_strlcpy (sev, _("ERROR : "), 11);
1451	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1452	(void) sl_strlcpy (sev, _("CRIT : "), 11);
1453	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1454	(void) sl_strlcpy (sev, _("ALERT : "), 11);
1455	else {
1456	(void) sl_strlcpy (sev, _("??? : "), 11);
1457	#endif
1458	}
1459
1460	(void) sl_strlcpy (tst, sh_unix_time (0), 64);
1461	line = (unsigned long) lmsg->line;
1462	(void) sl_strlcpy (cla, _(class_cat[lmsg->class]), 11);
1463
1464	/@i@/rep_ehead_tab[0].data_str = sev;
1465	/@i@/rep_ehead_tab[1].data_str = tst;
1466	/@i@/rep_ehead_tab[2].data_str = lmsg->file;
1467	/@i@/rep_ehead_tab[3].data_ulong = line;
1468	/@i@/rep_ehead_tab[4].data_str = cla;
1469	/@i@/rep_ehead_tab[5].data_long = lmsg->status;
1470
1471	p = /@i@/sh_util_formatted(ehead_format, rep_ehead_tab);
1472
1473	/* --- copy the header to lmsg->msg ---
1474	*/
1475	/@i@/lmsg->msg = SH_ALLOC(SH_BUFSIZE);
1476	lmsg->msg_len = SH_BUFSIZE;
1477
1478	if (p)
1479	{
1480	(void) sl_strlcpy (lmsg->msg, p, SH_BUFSIZE);
1481	SH_FREE(p);
1482	}
1483	else
1484	{
1485	lmsg->msg[0] = '\0';
1486	}
1487
1488
1489	/* --- copy message to lmsg->msg ---
1490	*/
1491	if ( NULL == strchr(lmsg->format, '%') )
1492	{
1493	(void) sl_strlcat (lmsg->msg, lmsg->format, (size_t) lmsg->msg_len);
1494	}
1495	else
1496	{
1497	/* use VA_COPY */
1498	/@i@/VA_COPY(vl2, vl);
1499	len = sl_strlen(lmsg->msg);
1500	/@i@/required = sl_vsnprintf(&(lmsg->msg[len]),
1501	(lmsg->msg_len - len), lmsg->format, vl);
1502	if ((required >= 0) &&
1503	sl_ok_adds(required, len) &&
1504	sl_ok_adds((required+len), 4) &&
1505	((required + len) > (lmsg->msg_len - 4)) )
1506	{
1507	/@i@/p = SH_ALLOC(required + len + 4);
1508	(void) sl_strlcpy (p, lmsg->msg, required + len + 1);
1509	SH_FREE(lmsg->msg);
1510	lmsg->msg = p;
1511	lmsg->msg_len = required + len + 4;
1512	(void) sl_vsnprintf(&(lmsg->msg[len]),
1513	(required + len + 1), lmsg->format, vl2);
1514	}
1515	va_end(vl2);
1516	}
1517
1518	#ifdef SH_USE_XML
1519	/* closing tag
1520	*/
1521	if (lmsg->msg[sl_strlen(lmsg->msg)-1] != '>')
1522	(void) sl_strlcat (lmsg->msg, _(" />"), lmsg->msg_len);
1523	#endif
1524
1525	SL_RETURN(0, _("sh_error_string"));
1526	}
1527
1528
1529
1530
1531	/* --- Initialize. ---
1532	*/
1533	static int sh_error_init ()
1534	{
1535	register int j;
1536
1537	SL_ENTER(_("sh_error_init"));
1538
1539	errFlags.debug = 0;
1540	errFlags.HaveLog = GOOD;
1541	errFlags.sysloglevel = SH_ERR_NOT;
1542	#if defined(SH_STEALTH)
1543	errFlags.loglevel = SH_ERR_NOT;
1544	#else
1545	errFlags.loglevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1546	SH_ERR_FATAL);
1547	#endif
1548	errFlags.externallevel = SH_ERR_NOT;
1549	errFlags.databaselevel = SH_ERR_NOT;
1550	errFlags.preludelevel = SH_ERR_NOT;
1551	errFlags.maillevel = SH_ERR_FATAL;
1552	#if defined(SH_STEALTH)
1553	errFlags.printlevel = SH_ERR_NOT;
1554	#else
1555	errFlags.printlevel = (SH_ERR_INFO \| SH_ERR_NOTICE \| SH_ERR_WARN \|
1556	SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1557	SH_ERR_FATAL);
1558	flag_err_info = SL_TRUE;
1559	#endif
1560	errFlags.exportlevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1561	SH_ERR_FATAL);
1562
1563	errFlags.log_class = 0xFFFF;
1564	errFlags.print_class = 0xFFFF;
1565	errFlags.mail_class = 0xFFFF;
1566	errFlags.export_class = 0xFFFF;
1567	errFlags.syslog_class = 0xFFFF;
1568	errFlags.external_class = 0xFFFF;
1569	errFlags.database_class = 0xFFFF;
1570	errFlags.prelude_class = 0xFFFF;
1571
1572
1573	for (j = 0; j < SH_ERR_T_END; ++j)
1574	ShDFLevel[j] = SH_ERR_SEVERE;
1575
1576	IsInitialized = GOOD;
1577	SL_RETURN (0, _("sh_error_init"));
1578	}

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