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source: trunk/src/sh_error.c@ 335

Last change on this file since 335 was 283, checked in by katerina, 15 years ago
Patch for ticket #207 (server logs client reports to prelude).
File size: 41.1 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. 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?).
26	*/
27	#if !defined(__sun__) && !defined(__sun)
28	#define _XOPEN_SOURCE 600
29	#endif
30	#include <string.h>
31	#include <stdio.h>
32	#include <stdlib.h>
33	#include <stdarg.h>
34	#include <ctype.h>
35	#include <limits.h>
36	#include <errno.h>
37
38	/* Required on FreeBSD
39	*/
40	#include <sys/types.h>
41
42	#ifdef HAVE_MEMORY_H
43	#include <memory.h>
44	#endif
45
46	#if defined(HAVE_MLOCK) && !defined(HAVE_BROKEN_MLOCK)
47	#include <sys/mman.h>
48	#endif
49
50
51
52	#include "samhain.h"
53
54	#include "sh_cat.h"
55	#include "sh_database.h"
56	#include "sh_error.h"
57	#include "sh_utils.h"
58	#include "sh_unix.h"
59	#include "sh_tiger.h"
60	#include "sh_nmail.h"
61	#include "sh_forward.h"
62	#include "sh_prelude.h"
63	#include "sh_pthread.h"
64
65	#if defined(WITH_DATABASE)
66	#include "sh_tools.h"
67	#endif
68
69	#if defined(WITH_EXTERNAL)
70	#include "sh_extern.h"
71	#endif
72
73	#undef FIL__
74	#define FIL__ _("sh_error.c")
75	/@-noret -compmempass@/
76	extern int clt_class;
77
78	int flag_err_debug = SL_FALSE;
79	int flag_err_info = SL_FALSE;
80
81	int ShDFLevel[SH_ERR_T_END];
82
83	typedef struct _log_t {
84	char file[SH_PATHBUF];
85	char format[SH_PATHBUF];
86	/@null@/char * msg;
87	size_t msg_len;
88	int severity;
89	int class;
90	int pid;
91	long status;
92	long line;
93	char timestamp[TIM_MAX];
94	} sh_log_t;
95
96
97	struct _errFlags errFlags;
98
99	static int sh_error_init (void);
100
101	/@owned@//@null@/inline
102	static char * get_format(unsigned long msg_id, /@out@/int * priority,
103	/@out@/unsigned int * class);
104
105	static int sh_error_string (struct _log_t * lmsg, va_list vl);
106
107	extern int sh_log_console (/@null@/const char *message);
108	extern int sh_log_syslog (int severity, /@null@/char *message);
109	extern int sh_log_file (/@null@/char *message,
110	/@null@/char * inet_peer);
111	/* convert a string to a numeric priority
112	*/
113	int sh_error_convert_level (const char * str_s);
114
115	static int IsInitialized = BAD;
116
117	/* --- Only log to stderr. ---
118	*/
119	int OnlyStderr = S_TRUE;
120
121	/* --- Enable facilities not safe for closeall(). ---
122	*/
123	int enableUnsafe = S_FALSE;
124
125	/*********************************************
126	* utility functions for verifying entries
127	*********************************************/
128
129	int sh_error_verify (const char * s)
130	{
131	char * foo;
132	char hashbuf[KEYBUF_SIZE];
133
134	if (s[0] == '/')
135	{
136	foo = sh_tiger_hash_gpg (s, TIGER_FILE, TIGER_NOLIM);
137	fprintf (stdout, _("%s\n"), foo);
138	SH_FREE(foo);
139	}
140	else
141	{
142	fprintf (stdout, _("string=<%s>, hash=<%s>\n"),
143	s, sh_tiger_hash (s, TIGER_DATA,
144	(unsigned long) sl_strlen(s),
145	hashbuf, sizeof(hashbuf))
146	);
147	}
148	(void) fflush(stdout);
149	_exit (EXIT_SUCCESS);
150	/@i@/return 0;
151	}
152
153
154
155	/*********************************************
156	* end utility functions
157	*********************************************/
158
159	void sh_error_only_stderr (int flag)
160	{
161	OnlyStderr = flag;
162	return;
163	}
164
165	void sh_error_enable_unsafe (int flag)
166	{
167	enableUnsafe = flag;
168	return;
169	}
170
171	static int dbg_store = 0;
172	static int dbg_flag = 0;
173
174	static
175	void compute_flag_err_debug(void)
176	{
177	if ((errFlags.loglevel & SH_ERR_ALL) != 0)
178	flag_err_debug = SL_TRUE;
179	else if ((errFlags.printlevel & SH_ERR_ALL) != 0)
180	flag_err_debug = SL_TRUE;
181	else if ((errFlags.maillevel & SH_ERR_ALL) != 0)
182	flag_err_debug = SL_TRUE;
183	else if ((errFlags.exportlevel & SH_ERR_ALL) != 0)
184	flag_err_debug = SL_TRUE;
185	else if ((errFlags.sysloglevel & SH_ERR_ALL) != 0)
186	flag_err_debug = SL_TRUE;
187	else if ((errFlags.externallevel & SH_ERR_ALL) != 0)
188	flag_err_debug = SL_TRUE;
189	else if ((errFlags.databaselevel & SH_ERR_ALL) != 0)
190	flag_err_debug = SL_TRUE;
191	else if ((errFlags.preludelevel & SH_ERR_ALL) != 0)
192	flag_err_debug = SL_TRUE;
193	else
194	flag_err_debug = SL_FALSE;
195	return;
196	}
197
198	static
199	void compute_flag_err_info(void)
200	{
201	if ((errFlags.loglevel & SH_ERR_INFO) != 0)
202	flag_err_info = SL_TRUE;
203	else if ((errFlags.printlevel & SH_ERR_INFO) != 0)
204	flag_err_info = SL_TRUE;
205	else if ((errFlags.maillevel & SH_ERR_INFO) != 0)
206	flag_err_info = SL_TRUE;
207	else if ((errFlags.exportlevel & SH_ERR_INFO) != 0)
208	flag_err_info = SL_TRUE;
209	else if ((errFlags.sysloglevel & SH_ERR_INFO) != 0)
210	flag_err_info = SL_TRUE;
211	else if ((errFlags.externallevel & SH_ERR_INFO) != 0)
212	flag_err_info = SL_TRUE;
213	else if ((errFlags.databaselevel & SH_ERR_INFO) != 0)
214	flag_err_info = SL_TRUE;
215	else if ((errFlags.preludelevel & SH_ERR_INFO) != 0)
216	flag_err_info = SL_TRUE;
217	else
218	flag_err_info = SL_FALSE;
219	return;
220	}
221
222	void sh_error_dbg_switch(void)
223	{
224	if (dbg_flag == 0)
225	{
226	dbg_store = errFlags.printlevel;
227	errFlags.printlevel = (SH_ERR_ALL \| SH_ERR_INFO \| SH_ERR_NOTICE \|
228	SH_ERR_WARN \| SH_ERR_STAMP \| SH_ERR_ERR \|
229	SH_ERR_SEVERE \| SH_ERR_FATAL);
230	dbg_flag = 1;
231	flag_err_debug = SL_TRUE;
232	}
233	else {
234	errFlags.printlevel = dbg_store;
235	dbg_store = 0;
236	dbg_flag = 0;
237	compute_flag_err_debug();
238	}
239	return;
240	}
241
242	static int sh_error_set_classmask (const char * str, int * facility_mask)
243	{
244	char * p;
245	int num = 0;
246	unsigned int i;
247	size_t len;
248	char * c;
249
250	SL_ENTER(_("sh_error_set_classmask"));
251
252	if (str == NULL)
253	SL_RETURN( -1, _("sh_error_set_classmask"));
254
255	if (IsInitialized == BAD)
256	(void) sh_error_init();
257
258	if (str[0] == (char) 34)
259	++str;
260	len = strlen(str);
261
262	c = SH_ALLOC(len+1);
263	sl_strlcpy(c, str, len+1);
264
265	if (c[len-1] == (char) 34)
266	c[len-1] = '\0';
267
268	*facility_mask = 0;
269
270	do {
271	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
272	char * saveptr;
273	if (num == 0) {
274	p = strtok_r (c, " ,\t", &saveptr);
275	++num;
276	} else {
277	p = strtok_r (NULL, " ,\t", &saveptr);
278	}
279	#else
280	if (num == 0) {
281	p = strtok (c, " ,\t");
282	++num;
283	} else {
284	p = strtok (NULL, " ,\t");
285	}
286	#endif
287
288	if (p == NULL)
289	break;
290
291	for (i = 0; i < SH_CLA_MAX; ++i)
292	{
293	if (i < SH_CLA_RAW_MAX) {
294	if (0 == strcmp(p, _(class_cat[i])))
295	*facility_mask \|= (1 << i);
296	} else {
297	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 0])))
298	*facility_mask \|= OTHER_CLA;
299	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 1])))
300	*facility_mask \|= RUN_NEW;
301	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 2])))
302	*facility_mask \|= FIL_NEW;
303	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 3])))
304	*facility_mask \|= ERROR_CLA;
305	}
306	}
307
308	} while (p);
309
310	SH_FREE(c);
311	SL_RETURN( 0, _("sh_error_set_classmask"));
312	}
313
314	int sh_error_log_mask (const char * c)
315	{
316	return (sh_error_set_classmask(c, &(errFlags.log_class)));
317	}
318	int sh_error_mail_mask (const char * c)
319	{
320	return (sh_error_set_classmask(c, &(errFlags.mail_class)));
321	}
322	int sh_error_print_mask (const char * c)
323	{
324	return (sh_error_set_classmask(c, &(errFlags.print_class)));
325	}
326	int sh_error_export_mask (const char * c)
327	{
328	return (sh_error_set_classmask(c, &(errFlags.export_class)));
329	}
330	int sh_error_syslog_mask (const char * c)
331	{
332	return (sh_error_set_classmask(c, &(errFlags.syslog_class)));
333	}
334	int sh_error_external_mask (const char * c)
335	{
336	return (sh_error_set_classmask(c, &(errFlags.external_class)));
337	}
338	int sh_error_database_mask (const char * c)
339	{
340	return (sh_error_set_classmask(c, &(errFlags.database_class)));
341	}
342	int sh_error_prelude_mask (const char * c)
343	{
344	return (sh_error_set_classmask(c, &(errFlags.prelude_class)));
345	}
346
347
348
349	char * sh_error_message (int tellme, char * str, size_t len)
350	{
351
352	#if defined(HAVE_STRERROR_R)
353	strerror_r(tellme, str, len);
354	return str;
355	#elif defined(HAVE_STRERROR)
356	sl_strlcpy(str, strerror(tellme), len);
357	return str;
358	#else
359
360	char *p = NULL;
361	#ifdef EACCES
362	if (tellme == EACCES) p = _("Permission denied.");
363	#endif
364	#ifdef EAGAIN
365	if (tellme == EAGAIN) p = _("Try again.");
366	#endif
367	#ifdef EBADF
368	if (tellme == EBADF) p = _("File descriptor in bad state.");
369	#endif
370	#ifdef EEXIST
371	if (tellme == EEXIST) p = _("File exists.");
372	#endif
373	#ifdef EFAULT
374	if (tellme == EFAULT) p = _("Bad address.");
375	#endif
376	#ifdef EINVAL
377	if (tellme == EINVAL) p = _("Invalid argument.");
378	#endif
379	#ifdef EISDIR
380	if (tellme == EISDIR) p = _("Is a directory.");
381	#endif
382	#ifdef EINTR
383	if (tellme == EINTR) p = _("System call was interrupted.");
384	#endif
385	#ifdef EIO
386	if (tellme == EIO) p = _("Low-level I/O error.");
387	#endif
388	#ifdef ELOOP
389	if (tellme == ELOOP) p = _("Too many symbolic links encountered.");
390	#endif
391	#ifdef EMFILE
392	if (tellme == EMFILE) p = _("Too many open files.");
393	#endif
394	#ifdef EMLINK
395	if (tellme == EMLINK) p = _("Too many links.");
396	#endif
397	#ifdef ENAMETOOLONG
398	if (tellme == ENAMETOOLONG)
399	p = _("File name too long.");
400	#endif
401	#ifdef ENFILE
402	if (tellme == ENFILE) p = _("File table overflow.");
403	#endif
404	#ifdef ENOENT
405	if (tellme == ENOENT) p = _("File does not exist.");
406	#endif
407	#ifdef ENOMEM
408	if (tellme == ENOMEM) p = _("Out of memory.");
409	#endif
410	#ifdef ENOSPC
411	if (tellme == ENOSPC) p = _("No space on device.");
412	#endif
413	#ifdef ENOTDIR
414	if (tellme == ENOTDIR) p = _("Not a directory.");
415	#endif
416	#ifdef ENOTSOCK
417	if (tellme == ENOTSOCK) p = _("Not a socket.");
418	#endif
419	#ifdef EOPNOTSUPP
420	if (tellme == EOPNOTSUPP) p = _("Socket is not of type SOCK_STREAM.");
421	#endif
422	#ifdef EPERM
423	if (tellme == EPERM) p = _("Permission denied.");
424	#endif
425	#ifdef EPIPE
426	if (tellme == EPIPE) p = _("No read on pipe.");
427	#endif
428	#ifdef EROFS
429	if (tellme == EROFS) p = _("Read-only file system.");
430	#endif
431	#ifdef ETXTBSY
432	if (tellme == ETXTBSY) p = _("Text file busy.");
433	#endif
434	#ifdef EWOULDBLOCK
435	if (tellme == EWOULDBLOCK)
436	p = _("No connections on non-blocking socket.");
437	#endif
438	#ifdef EXDEV
439	if (tellme == EXDEV) p = _("Not on same file system.");
440	#endif
441	if (!p) p = _("Unknown error");
442	sl_strlcpy(str, p, len);
443	return str;
444	#endif /* ifndef HAVE_STRERROR */
445	}
446
447
448	/* switch off file log
449	*/
450	void sh_error_logoff()
451	{
452	errFlags.HaveLog = BAD;
453	return;
454	}
455
456	/* switch on file log
457	*/
458	void sh_error_logrestore()
459	{
460	errFlags.HaveLog = GOOD;
461	return;
462	}
463
464	/* --- Relate priority levels to literals. ---
465	*/
466	typedef struct eef
467	{
468	const char * str;
469	int val;
470	} eef_struc;
471
472	static eef_struc eef_tab[] =
473	{
474	{ N_("none"), SH_ERR_NOT },
475	{ N_("debug"), SH_ERR_ALL },
476	{ N_("info"), SH_ERR_INFO },
477	{ N_("notice"), SH_ERR_NOTICE },
478	{ N_("warn"), SH_ERR_WARN },
479	{ N_("mark"), SH_ERR_STAMP },
480	{ N_("err"), SH_ERR_ERR },
481	{ N_("crit"), SH_ERR_SEVERE },
482	{ N_("alert"), SH_ERR_FATAL },
483	#if defined(SH_WITH_SERVER)
484	#define SH_EEF_MAX 10
485	{ N_("inet"), SH_ERR_INET },
486	#else
487	#define SH_EEF_MAX 9
488	#endif
489	};
490
491	int sh_error_convert_level (const char * str_s)
492	{
493	int i;
494	int level = (-1);
495
496	SL_ENTER(_("sh_error_convert_level"));
497
498	if (str_s == NULL)
499	SL_RETURN( -1, _("sh_error_convert_level"));
500
501	for (i = 0; i < SH_EEF_MAX; ++i)
502	{
503	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
504	sl_strlen(eef_tab[i].str)))
505	{
506	level = eef_tab[i].val;
507	break;
508	}
509	}
510
511	SL_RETURN( level, _("sh_error_convert_level"));
512	}
513
514
515	/* --- Set severity levels. ---
516	*/
517	int sh_error_set_iv (int iv, const char * str_s)
518	{
519	int level = (-1);
520
521	SL_ENTER(_("sh_error_set_iv"));
522
523	if (IsInitialized == BAD)
524	(void) sh_error_init();
525
526	level = sh_error_convert_level (str_s);
527
528	if (level == (-1))
529	{
530	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
531	_("severity"),
532	str_s != NULL ? str_s : _("(NULL)"));
533	SL_RETURN (-1, _("sh_error_set_iv"));
534	}
535
536	if (iv > SH_ERR_T_START && iv < SH_ERR_T_END)
537	{
538	ShDFLevel[iv] = level;
539	}
540	else
541	{
542	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALL,
543	_("severity"), (long) iv);
544	SL_RETURN (-1, _("sh_error_set_iv"));
545	}
546	SL_RETURN (0, _("sh_error_set_iv"));
547	}
548
549	int sh_error_set_level(const char * str_in, int * facility)
550	{
551	register int i, j, f = BAD;
552
553	int old_facility;
554	const char * str_s = str_in;
555
556	SL_ENTER(_("sh_error_set_level"));
557
558	if (IsInitialized == BAD)
559	(void) sh_error_init();
560
561	old_facility = *facility;
562	*facility = 0;
563
564	checkstr:
565
566	if (str_s != NULL)
567	{
568	if (0 == sl_strncmp(str_s, _(eef_tab[0].str), sl_strlen(eef_tab[0].str)))
569	{
570	facility \|= eef_tab[0].val; / This is 'none' */
571	for (i = 1; i < SH_EEF_MAX; ++i)
572	*facility &= ~eef_tab[i].val;
573	f = GOOD;
574	}
575	else if (str_s[0] == '') / all */
576	{
577	for (i = 1; i < SH_EEF_MAX; ++i)
578	*facility \|= eef_tab[i].val;
579	f = GOOD;
580	}
581	else if (str_s[0] == '=')
582	{
583	for (i = 1; i < SH_EEF_MAX; ++i)
584	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
585	sl_strlen(eef_tab[i].str)))
586	{
587	*facility \|= eef_tab[i].val;
588	f = GOOD;
589	}
590	}
591	else if (str_s[0] == '!')
592	{
593	if (str_s[1] == '*' \|\|
594	0 == sl_strncmp(&str_s[1], _(eef_tab[1].str),
595	sl_strlen(eef_tab[1].str)))
596	{
597	facility \|= eef_tab[0].val; / This is 'none' */
598	for (i = 1; i < SH_EEF_MAX; ++i)
599	*facility &= ~eef_tab[i].val;
600	f = GOOD;
601	}
602	else if (str_s[1] == '=')
603	{
604	for (i = 1; i < SH_EEF_MAX; ++i)
605	{
606	if (0 == sl_strncmp(&str_s[2], _(eef_tab[i].str),
607	sl_strlen(eef_tab[i].str)))
608	{
609	*facility &= ~eef_tab[i].val;
610	f = GOOD;
611	}
612	}
613	}
614	else
615	{
616	for (i = 1; i < SH_EEF_MAX; ++i)
617	{
618	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
619	sl_strlen(eef_tab[i].str)))
620	{
621	for (j = i; j < SH_EEF_MAX; ++j)
622	{
623	*facility &= ~eef_tab[j].val;
624	}
625	f = GOOD;
626	}
627	}
628	}
629	}
630	else /* plain severity name */
631	{
632	for (i = 1; i < SH_EEF_MAX; ++i)
633	{
634	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
635	sl_strlen(eef_tab[i].str)))
636	{
637	for (j = i; j < SH_EEF_MAX; ++j)
638	{
639	*facility \|= eef_tab[j].val;
640	}
641	f = GOOD;
642	break;
643	}
644	}
645	}
646	}
647
648	/* skip to end of string
649	*/
650	while (str_s != '\0' && str_s != ';' && *str_s != ',' &&
651	str_s != ' ' && str_s != '\t')
652	++str_s;
653
654	/* skip seperator
655	*/
656	while ((*str_s != '\0') &&
657	(str_s == ';' \|\| str_s == ',' \|\| str_s == ' ' \|\| str_s == '\t'))
658	++str_s;
659
660	if (*str_s != '\0')
661	{
662	f = BAD;
663	goto checkstr;
664	}
665
666	if (f == BAD)
667	{
668	*facility = old_facility;
669	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
670	_("priority"), str_in);
671	SL_RETURN (-1, _("sh_error_set_level"));
672	}
673	compute_flag_err_debug();
674	compute_flag_err_info();
675	SL_RETURN (0, _("sh_error_set_level"));
676	}
677
678	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
679	/* set severity for TCP export
680	*/
681	int sh_error_setexport(const char * str_s)
682	{
683	static int reject = 0;
684	if (reject == 1)
685	return (0);
686
687	if (sh.flag.opts == S_TRUE)
688	reject = 1;
689
690	return (sh_error_set_level(str_s, &errFlags.exportlevel));
691	}
692	#endif
693
694	/* set severity for printing
695	*/
696	extern void dlog_set_active(int flag);
697
698	int sh_error_setprint(const char * str_s)
699	{
700	static int reject = 0;
701	int retval;
702
703	if (reject == 1)
704	return (0);
705
706	if (sh.flag.opts == S_TRUE)
707	reject = 1;
708
709	retval = sh_error_set_level(str_s, &errFlags.printlevel);
710
711	if (0 != (errFlags.printlevel & SH_ERR_INFO))
712	dlog_set_active(1);
713	if (0 != (errFlags.printlevel & SH_ERR_ALL))
714	dlog_set_active(2);
715	return retval;
716	}
717
718
719	/* set level for error logging
720	*/
721	int sh_error_setlog(const char * str_s)
722	{
723	static int reject = 0;
724	if (reject == 1)
725	return (0);
726
727	if (sh.flag.opts == S_TRUE)
728	reject = 1;
729
730	return ( sh_error_set_level(str_s, &errFlags.loglevel) );
731	}
732
733
734	/* set severity for syslog
735	*/
736	int sh_error_set_syslog (const char * str_s)
737	{
738	static int reject = 0;
739	if (reject == 1)
740	return (0);
741
742	if (sh.flag.opts == S_TRUE)
743	reject = 1;
744
745	return (sh_error_set_level(str_s, &errFlags.sysloglevel));
746	}
747
748	#if defined(WITH_EXTERNAL)
749	/* set severity for external
750	*/
751	int sh_error_set_external (const char * str_s)
752	{
753	static int reject = 0;
754	if (reject == 1)
755	return (0);
756
757	if (sh.flag.opts == S_TRUE)
758	reject = 1;
759
760	return (sh_error_set_level(str_s, &errFlags.externallevel));
761	}
762	#endif
763
764	#if defined(WITH_DATABASE)
765	/* set severity for database
766	*/
767	int sh_error_set_database (const char * str_s)
768	{
769	static int reject = 0;
770	if (reject == 1)
771	return (0);
772
773	if (sh.flag.opts == S_TRUE)
774	reject = 1;
775
776	return (sh_error_set_level(str_s, &errFlags.databaselevel));
777	}
778	#endif
779
780	#if defined(HAVE_LIBPRELUDE)
781	/* set severity for prelude
782	*/
783	int sh_error_set_prelude (const char * str_s)
784	{
785	static int reject = 0;
786
787	if (reject == 1)
788	return (0);
789
790	if (sh.flag.opts == S_TRUE)
791	reject = 1;
792
793	return sh_error_set_level(str_s, &errFlags.preludelevel);
794	}
795	#endif
796
797	/* init or re-init log facilities that need it
798	*/
799	void sh_error_fixup(void)
800	{
801	#if defined(HAVE_LIBPRELUDE)
802	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
803	sh_prelude_init();
804	else
805	sh_prelude_stop();
806	#endif
807	#ifdef WITH_DATABASE
808	sh_database_reset();
809	#endif
810	return;
811	}
812
813	/* to be called from sh_prelude_reset
814	*/
815	void sh_error_init_prelude(void)
816	{
817	#if defined(HAVE_LIBPRELUDE)
818	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
819	sh_prelude_init();
820	else
821	sh_prelude_stop();
822	#endif
823	return;
824	}
825
826
827	/* set severity for mailing
828	*/
829	int sh_error_setseverity (const char * str_s)
830	{
831	static int reject = 0;
832	if (reject == 1)
833	return (0);
834
835	if (sh.flag.opts == S_TRUE)
836	reject = 1;
837
838	return (sh_error_set_level(str_s, &errFlags.maillevel));
839	}
840
841	#ifdef SH_WITH_SERVER
842	static char inet_peer[SH_MINIBUF] = { '\0' };
843	#ifdef HAVE_LIBPRELUDE
844	static char inet_peer_ip[SH_IP_BUF] = { '\0' };
845
846	void sh_error_set_peer_ip(const char * str)
847	{
848	if (str == NULL)
849	inet_peer_ip[0] = '\0';
850	else
851	sl_strlcpy(inet_peer_ip, str, sizeof(inet_peer_ip));
852	}
853	#endif
854
855	void sh_error_set_peer(const char * str)
856	{
857	if (str == NULL)
858	inet_peer[0] = '\0';
859	else
860	sl_strlcpy(inet_peer, str, sizeof(inet_peer));
861	}
862	#endif
863
864
865	/**********************************************************
866	**********************************************************
867	*
868	* -------- MAIN ERROR HANDLING FUNCTION -----------------
869	*
870	*
871	* this function should be called to report an error
872	*
873	**********************************************************
874	**********************************************************/
875
876	SH_MUTEX_RECURSIVE(mutex_err_handle);
877
878	void sh_error_handle (int sev, const char * file, long line,
879	long status, unsigned long msg_id, ...)
880	{
881	va_list vl; /* argument list */
882	struct _log_t * lmsg;
883
884	int severity;
885	unsigned int class;
886	char * fmt;
887
888	int flag_inet;
889
890	#ifdef SH_WITH_SERVER
891	int class_inet = clt_class; /* initialize from global */
892	char local_inet_peer[SH_MINIBUF];
893	#ifdef HAVE_LIBPRELUDE
894	char local_inet_peer_ip[SH_IP_BUF];
895	#endif
896	#endif
897
898	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
899	char * ex_msg;
900	#endif
901	#if defined(WITH_DATABASE)
902	char * escape_msg;
903	#endif
904
905	static int own_block = 0;
906
907	/*
908	* Block a facility for errors generated
909	* within that facility.
910	*/
911	static int print_block = 0;
912	#if defined(SH_WITH_MAIL)
913	static int mail_block = 0;
914	#endif
915	static int syslog_block = 0;
916	static int log_block = 0;
917	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
918	static int export_block = 0;
919	#endif
920	#if defined(WITH_EXTERNAL)
921	static int external_block = 0;
922	#endif
923	#if defined(WITH_DATABASE)
924	static int database_block = 0;
925	#endif
926	#ifdef HAVE_LIBPRELUDE
927	static int prelude_block = 0;
928	#endif
929
930	SL_ENTER(_("sh_error_handle"));
931
932	SH_MUTEX_RECURSIVE_INIT(mutex_err_handle);
933	SH_MUTEX_RECURSIVE_LOCK(mutex_err_handle);
934
935	#ifdef SH_WITH_SERVER
936	/* copy the global string into a local array
937	*/
938	if ((msg_id == MSG_TCP_MSG) && (inet_peer[0] != '\0'))
939	{
940	sl_strlcpy(local_inet_peer, inet_peer, sizeof(local_inet_peer));
941	sh_error_set_peer(NULL);
942	}
943	else
944	local_inet_peer[0] = '\0';
945
946	#ifdef HAVE_LIBPRELUDE
947	if ((msg_id == MSG_TCP_MSG) && (inet_peer_ip[0] != '\0'))
948	{
949	sl_strlcpy(local_inet_peer_ip, inet_peer_ip, sizeof(local_inet_peer_ip));
950	sh_error_set_peer_ip(NULL);
951	}
952	else
953	local_inet_peer_ip[0] = '\0';
954	#endif
955
956	clt_class = (-1); /* reset global */
957	#endif
958
959
960	if (own_block == 1)
961	{
962	goto exit_here;
963	}
964
965	/* --- Initialize to default values. ---
966	*/
967	if (IsInitialized == BAD)
968	(void) sh_error_init();
969
970	/* Returns pointer to (constant\|thread-specific) static memory
971	*/
972	fmt = /@i@/get_format (msg_id, &severity, &class);
973
974	#ifdef SH_WITH_SERVER
975	if (class_inet != (-1))
976	class = (unsigned int) class_inet;
977	#endif
978
979	/* --- Consistency check. ---
980	*/
981	ASSERT((fmt != NULL), _("fmt != NULL"))
982	if (fmt == NULL)
983	{
984	fprintf(stderr,
985	_("ERROR: msg=<NULL format>, file=<%s>, line=<%ld>\n"),
986	file, line);
987	goto exit_here;
988	}
989
990	/* --- Override the catalogue severity. ---
991	*/
992	if (sev != (-1))
993	severity = sev;
994
995	/* these are messages from remote sources
996	*/
997	if ((severity & SH_ERR_INET) != 0)
998	{
999	flag_inet = S_TRUE;
1000	}
1001	else
1002	{
1003	flag_inet = S_FALSE;
1004	}
1005
1006	/* --- Messages not wanted for logging. ---
1007	*/
1008	if ( ( (errFlags.printlevel & severity ) == 0 \|\|
1009	(errFlags.print_class & (1 << class)) == 0 ) &&
1010	( (errFlags.loglevel & severity ) == 0 \|\|
1011	(errFlags.log_class & (1 << class)) == 0 ) &&
1012	( (errFlags.sysloglevel & severity ) == 0 \|\|
1013	(errFlags.syslog_class & (1 << class)) == 0 ) &&
1014	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_CLIENT)
1015	( (errFlags.exportlevel & severity ) == 0 \|\|
1016	(errFlags.export_class & (1 << class)) == 0 ) &&
1017	#endif
1018	#ifdef WITH_EXTERNAL
1019	( (errFlags.externallevel & severity ) == 0 \|\|
1020	(errFlags.external_class & (1 << class)) == 0 ) &&
1021	#endif
1022	#ifdef HAVE_LIBPRELUDE
1023	( (errFlags.preludelevel & severity ) == 0 \|\|
1024	(errFlags.prelude_class & (1 << class)) == 0 ) &&
1025	#endif
1026	#ifdef WITH_DATABASE
1027	( (errFlags.databaselevel & severity ) == 0 \|\|
1028	(errFlags.database_class & (1 << class)) == 0 ) &&
1029	#endif
1030	( (errFlags.maillevel & severity ) == 0 \|\|
1031	(errFlags.mail_class & (1 << class)) == 0 )
1032	#ifdef SH_WITH_SERVER
1033	&& (flag_inet == S_FALSE) /* still log messages from remote sources */
1034	#endif
1035	)
1036	{
1037	goto exit_here;
1038	}
1039
1040	if ((severity & SH_ERR_NOT) != 0)
1041	{
1042	goto exit_here;
1043	}
1044
1045
1046	/* Allocate space for the message.
1047	*/
1048	own_block = 1;
1049	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
1050	MLOCK( (char *) lmsg, sizeof(struct _log_t));
1051	/@i@/lmsg->msg = NULL;
1052
1053	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
1054	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
1055	lmsg->severity = severity;
1056	lmsg->class = (int) class;
1057	lmsg->line = line;
1058	lmsg->status = status;
1059
1060	/* Format the log message with timestamp etc.
1061	* Allocate lmsg->msg
1062	*/
1063	va_start (vl, msg_id);
1064	(void) sh_error_string (lmsg, vl);
1065	va_end (vl);
1066	own_block = 0;
1067
1068
1069	/* Log to stderr.
1070	*/
1071	if ( ((errFlags.printlevel & severity) != 0 &&
1072	(errFlags.print_class & (1 << class)) != 0 &&
1073	(errFlags.printlevel & SH_ERR_NOT) == 0)
1074	#ifdef SH_WITH_SERVER
1075	\|\| (flag_inet == S_TRUE)
1076	#endif
1077	)
1078	{
1079	if (print_block == 0 && (errFlags.printlevel & SH_ERR_NOT) == 0)
1080	{
1081	/* no truncation
1082	*/
1083	print_block = 1;
1084	TPT(( 0, FIL__, __LINE__, lmsg->msg));
1085	/*
1086	* Reports first error after failure. Always tries.
1087	*/
1088	(void) sh_log_console (lmsg->msg);
1089	print_block = 0;
1090	}
1091	}
1092
1093
1094	/* Full logging enabled.
1095	*/
1096	if (OnlyStderr == S_FALSE) /* full error logging enabled */
1097	{
1098
1099	/* Log to syslog.
1100	*/
1101	if ( (errFlags.sysloglevel & severity) != 0 &&
1102	(errFlags.syslog_class & (1 << class)) != 0 &&
1103	#ifndef INET_SYSLOG
1104	(flag_inet != S_TRUE) && /* !inet->syslog */
1105	#endif
1106	(errFlags.sysloglevel & SH_ERR_NOT) == 0 )
1107	{
1108	/* will truncate to 1023 bytes
1109	*/
1110	if (syslog_block == 0)
1111	{
1112	syslog_block = 1;
1113	/*
1114	* Ignores errors. Always tries.
1115	*/
1116	(void) sh_log_syslog (lmsg->severity, lmsg->msg);
1117	syslog_block = 0;
1118	}
1119	}
1120
1121	#if defined(WITH_EXTERNAL)
1122	/*
1123	* -- external facility
1124	*/
1125	if ((errFlags.externallevel & severity) != 0 &&
1126	(errFlags.external_class & (1 << class)) != 0 &&
1127	(errFlags.externallevel & SH_ERR_NOT) == 0 &&
1128	class != AUD)
1129	{
1130	if (external_block == 0)
1131	{
1132	/* no truncation
1133	*/
1134	external_block = 1;
1135	/*
1136	* Reports first error after failure. Always tries.
1137	*/
1138	(void) sh_ext_execute ('l', 'o', 'g', lmsg->msg, 0);
1139	external_block = 0;
1140	}
1141	}
1142	#endif
1143
1144	#if defined(WITH_DATABASE)
1145	/*
1146	* -- database facility
1147	*/
1148	if ((errFlags.databaselevel & severity) != 0 &&
1149	(errFlags.database_class & (1 << class)) != 0 &&
1150	(errFlags.databaselevel & SH_ERR_NOT) == 0 &&
1151	class != AUD)
1152	{
1153	if (database_block == 0 && enableUnsafe == S_TRUE)
1154	{
1155	/* truncates; query_max is 16k
1156	*/
1157	database_block = 1;
1158	#ifndef SH_STANDALONE
1159	if (msg_id == MSG_TCP_MSG
1160	#ifdef INET_SYSLOG
1161	\|\| msg_id == MSG_INET_SYSLOG
1162	#endif
1163	)
1164	{
1165	/* do not escape twice
1166	*/
1167	/*
1168	* Reports failure every 60 min. Always tries.
1169	*/
1170	(void) sh_database_insert (lmsg->msg);
1171	}
1172	else
1173	#endif
1174	{
1175	escape_msg = sh_tools_safe_name(lmsg->msg, 0);
1176	/*
1177	* Reports failure every 60 min. Always tries.
1178	*/
1179	(void) sh_database_insert (escape_msg);
1180	SH_FREE(escape_msg);
1181	}
1182	database_block = 0;
1183	}
1184	}
1185	#endif
1186
1187	/****************************************************
1188	* Optionally include client code for TCP forwarding
1189	* to log server
1190	****************************************************/
1191	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
1192	/* Export by TCP.
1193	*/
1194
1195	if ( ((errFlags.exportlevel & severity ) != 0 &&
1196	(errFlags.export_class & (1 << class)) != 0 &&
1197	(errFlags.exportlevel & SH_ERR_NOT) == 0 &&
1198	class != AUD )
1199	#ifdef SH_WITH_SERVER
1200	/* always log inet to export */
1201	\|\| (flag_inet == S_TRUE && sh.srvexport.name[0] != '\0')
1202	#endif
1203	/* sh.flag.isserver != GOOD && */
1204	/* (flag_inet == S_FALSE) / / don't log inet to export */
1205	)
1206	{
1207	if (export_block == 0)
1208	{
1209	int retval;
1210	size_t ex_len;
1211
1212	/* will truncate to 65280 bytes
1213	*/
1214	export_block = 1;
1215	/* ex_len = 64 + sl_strlen(lmsg->msg) + 1; */
1216	ex_len = sl_strlen(lmsg->msg);
1217	if (sl_ok_adds(ex_len, 65))
1218	ex_len = 64 + ex_len + 1;
1219	ex_msg = SH_ALLOC (ex_len);
1220
1221	sl_snprintf(ex_msg, ex_len, _("%d?%u?%s"),
1222	severity, class, lmsg->msg);
1223	retval = sh_forward (ex_msg);
1224	SH_FREE(ex_msg);
1225	export_block = 0;
1226	if (retval == -2)
1227	{
1228	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1229	_("log server"));
1230	}
1231	}
1232	}
1233	#endif
1234
1235
1236	/* Log to mail.
1237	*/
1238	#if defined(SH_WITH_MAIL)
1239	if ((errFlags.maillevel & severity ) != 0 &&
1240	(errFlags.mail_class & (1 << class)) != 0 &&
1241	(errFlags.maillevel & SH_ERR_NOT) == 0 &&
1242	class != AUD &&
1243	(flag_inet == S_FALSE) ) /* don't log inet to email */
1244	{
1245	if (mail_block == 0)
1246	{
1247	int retval;
1248
1249	/* will truncate to 998 bytes
1250	*/
1251	mail_block = 1;
1252
1253	BREAKEXIT(sh_nmail_msg);
1254	if ( (severity & SH_ERR_FATAL) == 0)
1255	retval = sh_nmail_pushstack (severity, lmsg->msg, NULL);
1256	else
1257	retval = sh_nmail_msg (severity, lmsg->msg, NULL);
1258
1259	mail_block = 0;
1260	if (retval == -2)
1261	{
1262	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1263	_("email"));
1264	}
1265	}
1266	}
1267	#endif
1268
1269	#ifdef HAVE_LIBPRELUDE
1270	if (((errFlags.preludelevel & severity ) != 0 &&
1271	(errFlags.prelude_class & (1 << class)) != 0 &&
1272	(errFlags.preludelevel & SH_ERR_NOT) == 0 &&
1273	(class != AUD))
1274	#ifdef SH_WITH_SERVER
1275	\|\| (flag_inet == S_TRUE)
1276	#endif
1277	)
1278	{
1279	if (prelude_block == 0 && enableUnsafe == S_TRUE)
1280	{
1281	/* will truncate to 998 bytes
1282	*/
1283	prelude_block = 1;
1284
1285	BREAKEXIT(sh_prelude_alert);
1286	/*
1287	* Reports first error after failure. Always tries.
1288	*/
1289	#if defined(HAVE_LIBPRELUDE) && defined(SH_WITH_SERVER)
1290	(void) sh_prelude_alert (severity, (int) class,
1291	lmsg->msg, lmsg->status, msg_id,
1292	local_inet_peer_ip);
1293	#else
1294	(void) sh_prelude_alert (severity, (int) class,
1295	lmsg->msg, lmsg->status, msg_id,
1296	NULL);
1297	#endif
1298	prelude_block = 0;
1299	}
1300	}
1301	#endif
1302
1303	/* Log to logfile
1304	*/
1305
1306	if ( ( ( (errFlags.loglevel & severity) != 0 &&
1307	(errFlags.log_class & (1 << class)) != 0 &&
1308	(errFlags.loglevel & SH_ERR_NOT) == 0 )
1309	#ifdef SH_WITH_SERVER
1310	\|\| (flag_inet == S_TRUE)
1311	#endif
1312	) &&
1313	class != AUD &&
1314	(errFlags.HaveLog != BAD) && /* temporary switched off */
1315	(severity & SH_ERR_NOT) == 0 /* paranoia */
1316	)
1317	{
1318	if (log_block == 0)
1319	{
1320	/* no truncation
1321	*/
1322	log_block = 1;
1323	BREAKEXIT(sh_log_file);
1324	#ifdef SH_WITH_SERVER
1325	if (0 != sl_ret_euid())
1326	{
1327	/*
1328	* Reports first error after failure. Always tries.
1329	*/
1330	if (local_inet_peer[0] == '\0')
1331	(void) sh_log_file (lmsg->msg, NULL);
1332	else
1333	(void) sh_log_file (lmsg->msg, local_inet_peer);
1334	}
1335	#else
1336	(void) sh_log_file (lmsg->msg, NULL);
1337	#endif
1338	/* sh_log_file (lmsg->msg); */
1339	log_block = 0;
1340	}
1341	}
1342
1343	}
1344
1345	/* Cleanup.
1346	*/
1347	own_block = 1;
1348
1349	if (lmsg->msg)
1350	SH_FREE( lmsg->msg );
1351
1352	memset ( lmsg, (int) '\0', sizeof(struct _log_t) );
1353	MUNLOCK( (char *) lmsg, sizeof(struct _log_t) );
1354	SH_FREE( lmsg );
1355	own_block = 0;
1356
1357	exit_here:
1358	; /* label at end of compound statement */
1359	SH_MUTEX_RECURSIVE_UNLOCK(mutex_err_handle);
1360
1361	/@i@/SL_RET0(_("sh_error_handle"));
1362	/@i@/}
1363
1364	#if defined(SH_WITH_MAIL)
1365	void sh_error_mail (const char * alias, int sev,
1366	const char * file, long line,
1367	long status, unsigned long msg_id, ...)
1368	{
1369	va_list vl; /* argument list */
1370	struct _log_t * lmsg;
1371
1372	int severity;
1373	unsigned int class;
1374	char * fmt;
1375	int retval;
1376
1377	SL_ENTER(_("sh_error_mail"));
1378
1379	/* Returns pointer to (constant\|thread-specific) static memory
1380	*/
1381	fmt = /@i@/get_format (msg_id, &severity, &class);
1382
1383	if (!fmt)
1384	{
1385	SL_RET0(_("sh_error_mail"));
1386	}
1387
1388	/* --- Override the catalogue severity. ---
1389	*/
1390	if (sev != (-1))
1391	severity = sev;
1392
1393	/* --- Build the message. ---
1394	*/
1395	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
1396	MLOCK( (char *) lmsg, sizeof(struct _log_t));
1397	/@i@/lmsg->msg = NULL;
1398
1399	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
1400	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
1401	lmsg->severity = severity;
1402	lmsg->class = (int) class;
1403	lmsg->line = line;
1404	lmsg->status = status;
1405
1406	/* Format the log message with timestamp etc.
1407	* Allocate lmsg->msg
1408	*/
1409	va_start (vl, msg_id);
1410	(void) sh_error_string (lmsg, vl);
1411	va_end (vl);
1412
1413	if ( (severity & SH_ERR_FATAL) == 0)
1414	retval = sh_nmail_pushstack (severity, lmsg->msg, alias);
1415	else
1416	retval = sh_nmail_msg (severity, lmsg->msg, alias);
1417
1418	if (retval == -2)
1419	{
1420	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1421	_("email"));
1422	}
1423	SL_RET0(_("sh_error_mail"));
1424	}
1425	#else
1426	void sh_error_mail (const char * alias, int sev,
1427	const char * file, long line,
1428	long status, unsigned long msg_id, ...)
1429	{
1430	(void) alias;
1431	(void) sev;
1432	(void) file;
1433	(void) line;
1434	(void) status;
1435	(void) msg_id;
1436
1437	return;
1438	}
1439	/* defined(SH_WITH_MAIL) */
1440	#endif
1441
1442	/* -------------------------
1443	*
1444	* private functions below
1445	*
1446	* -------------------------
1447	*/
1448
1449
1450	/* --- Get the format from the message catalog. ---
1451	*/
1452	/@owned@/ /@null@/inline
1453	static char * get_format(unsigned long msg_id, /@out@/ int * priority,
1454	/@out@/unsigned int * class)
1455	{
1456	int i = 0;
1457
1458	SL_ENTER(_("get_format"));
1459	while (1 == 1)
1460	{
1461	if ( msg_cat[i].format == NULL )
1462	break;
1463
1464	if ( (unsigned long) msg_cat[i].id == msg_id)
1465	{
1466	*priority = (int) msg_cat[i].priority;
1467	*class = (unsigned int) msg_cat[i].class;
1468	SL_RETURN (((char *) _(msg_cat[i].format)), _("get_format"));
1469	}
1470	++i;
1471	}
1472	*priority = SH_ERR_ERR;
1473	*class = ERR;
1474	SL_RETURN (NULL, _("get_format"));
1475	}
1476
1477	/@null@//@only@/static char * ehead_format = NULL;
1478
1479	/* allocate space for user-defined message header
1480	*/
1481	int sh_error_ehead (/@null@/const char * str_s)
1482	{
1483	size_t size;
1484	const char * s;
1485
1486	SL_ENTER(_("sh_error_ehead"));
1487
1488	if (str_s == NULL)
1489	{
1490	SL_RETURN (-1, _("sh_error_ehead"));
1491	}
1492
1493	/* ascii 34 ist t\"ttelchen
1494	*/
1495	/@i@/ if (str_s[0] == 34) s = &str_s[1];
1496	else s = str_s;
1497
1498	size = /@i@/strlen(s);
1499	if (/@i@/s[size-1] == (char) 34) --size; /* truncate */
1500
1501	if (ehead_format != NULL)
1502	SH_FREE(ehead_format);
1503
1504	/@i@/ehead_format = SH_ALLOC(size+1);
1505	/@i@/ (void) sl_strlcpy(ehead_format, s, size+1);
1506
1507	SL_RETURN( 0, _("sh_error_ehead"));
1508	}
1509
1510	#if !defined(VA_COPY)
1511	#if defined(__GNUC__) && defined(__PPC__) && (defined(_CALL_SYSV) \|\| defined(_WIN32))
1512	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1513	#elif defined(VA_COPY_AS_ARRAY)
1514	#define VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
1515	#else /* va_list is a pointer */
1516	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1517	#endif
1518	#endif
1519
1520
1521	/* print an error into string
1522	*/
1523	static int sh_error_string (struct _log_t * lmsg, va_list vl)
1524	{
1525	size_t len;
1526	int required;
1527	unsigned long line;
1528	char sev[16] = "";
1529	char cla[16] = "";
1530	char tst[64] = "";
1531	char *p;
1532	va_list vl2;
1533
1534	st_format rep_ehead_tab[] = {
1535	{ 'S', S_FMT_STRING, 0, 0, NULL}, /* severity */
1536	{ 'T', S_FMT_STRING, 0, 0, NULL}, /* timestamp */
1537	{ 'F', S_FMT_STRING, 0, 0, NULL}, /* file */
1538	{ 'L', S_FMT_ULONG, 0, 0, NULL}, /* line */
1539	{ 'C', S_FMT_STRING, 0, 0, NULL}, /* class */
1540	{ 'E', S_FMT_LONG, 0, 0, NULL}, /* status */
1541	{'\0', S_FMT_ULONG, 0, 0, NULL},
1542	};
1543
1544	SL_ENTER(_("sh_error_string"));
1545
1546	if (ehead_format == NULL)
1547	{
1548	ehead_format = SH_ALLOC(64);
1549	#ifdef SH_USE_XML
1550	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1551	(void) sl_strlcpy(ehead_format,
1552	_("<log sev=\"%S\" tstamp=\"%T\" "), 64);
1553	else
1554	(void) sl_strlcpy(ehead_format,
1555	_("<log sev=\"%S\" tstamp=\"%T\" p.f=\"%F\" p.l=\"%L\" p.s=\"%E\" "), 64);
1556	#else
1557	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1558	(void) sl_strlcpy(ehead_format, _("%S %T "), 64);
1559	else
1560	(void) sl_strlcpy(ehead_format, _("%S %T (%F, %L, %E) "), 64);
1561	#endif
1562	}
1563
1564	/* header of error message
1565	*/
1566	#ifdef SH_USE_XML
1567	if ( (lmsg->severity & SH_ERR_INET) != 0)
1568	(void) sl_strlcpy (sev, _("RCVT"), 11);
1569	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1570	(void) sl_strlcpy (sev, _("DEBG"), 11);
1571	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1572	(void) sl_strlcpy (sev, _("INFO"), 11);
1573	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1574	(void) sl_strlcpy (sev, _("NOTE"), 11);
1575	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1576	(void) sl_strlcpy (sev, _("WARN"), 11);
1577	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1578	(void) sl_strlcpy (sev, _("MARK"), 11);
1579	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1580	(void) sl_strlcpy (sev, _("ERRO"), 11);
1581	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1582	(void) sl_strlcpy (sev, _("CRIT"), 11);
1583	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1584	(void) sl_strlcpy (sev, _("ALRT"), 11);
1585	else {
1586	(void) sl_strlcpy (sev, _("????"), 11);
1587	#else
1588	#if defined(INET_SYSLOG)
1589	if ( (lmsg->severity & SH_ERR_INET) != 0)
1590	(void) sl_strlcpy (sev, _("<NET> : "), 11);
1591	#else
1592	if ( (lmsg->severity & SH_ERR_INET) != 0)
1593	(void) sl_strlcpy (sev, _("<TCP> : "), 11);
1594	#endif
1595	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1596	(void) sl_strlcpy (sev, _("DEBUG : "), 11);
1597	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1598	(void) sl_strlcpy (sev, _("INFO : "), 11);
1599	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1600	(void) sl_strlcpy (sev, _("NOTICE : "), 11);
1601	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1602	(void) sl_strlcpy (sev, _("WARN : "), 11);
1603	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1604	(void) sl_strlcpy (sev, _("MARK : "), 11);
1605	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1606	(void) sl_strlcpy (sev, _("ERROR : "), 11);
1607	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1608	(void) sl_strlcpy (sev, _("CRIT : "), 11);
1609	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1610	(void) sl_strlcpy (sev, _("ALERT : "), 11);
1611	else {
1612	(void) sl_strlcpy (sev, _("??? : "), 11);
1613	#endif
1614	}
1615
1616	(void) sh_unix_time (0, tst, 64);
1617	line = (unsigned long) lmsg->line;
1618	(void) sl_strlcpy (cla, _(class_cat[lmsg->class]), 11);
1619
1620	/@i@/rep_ehead_tab[0].data_str = sev;
1621	/@i@/rep_ehead_tab[1].data_str = tst;
1622	/@i@/rep_ehead_tab[2].data_str = lmsg->file;
1623	/@i@/rep_ehead_tab[3].data_ulong = line;
1624	/@i@/rep_ehead_tab[4].data_str = cla;
1625	/@i@/rep_ehead_tab[5].data_long = lmsg->status;
1626
1627	p = /@i@/sh_util_formatted(ehead_format, rep_ehead_tab);
1628
1629	/* --- copy the header to lmsg->msg ---
1630	*/
1631	/@i@/lmsg->msg = SH_ALLOC(SH_BUFSIZE);
1632	lmsg->msg_len = SH_BUFSIZE;
1633
1634	if (p)
1635	{
1636	(void) sl_strlcpy (lmsg->msg, p, SH_BUFSIZE);
1637	SH_FREE(p);
1638	}
1639	else
1640	{
1641	lmsg->msg[0] = '\0';
1642	}
1643
1644
1645	/* --- copy message to lmsg->msg ---
1646	*/
1647	if ( NULL == strchr(lmsg->format, '%') )
1648	{
1649	(void) sl_strlcat (lmsg->msg, lmsg->format, (size_t) lmsg->msg_len);
1650	}
1651	else
1652	{
1653	/* use VA_COPY */
1654	/@i@/VA_COPY(vl2, vl);
1655	len = sl_strlen(lmsg->msg);
1656	/@i@/required = sl_vsnprintf(&(lmsg->msg[len]),
1657	(lmsg->msg_len - len), lmsg->format, vl);
1658
1659	if ((required >= 0) &&
1660	sl_ok_adds(required, len) &&
1661	sl_ok_adds((required+len), 4) &&
1662	((required + len) > (lmsg->msg_len - 4)) )
1663	{
1664	/@i@/p = SH_ALLOC(required + len + 4);
1665	(void) sl_strlcpy (p, lmsg->msg, required + len + 1);
1666	SH_FREE(lmsg->msg);
1667	lmsg->msg = p;
1668	lmsg->msg_len = required + len + 4;
1669	(void) sl_vsnprintf(&(lmsg->msg[len]),
1670	(required + 1), lmsg->format, vl2);
1671	}
1672	va_end(vl2);
1673	}
1674
1675	#ifdef SH_USE_XML
1676	/* closing tag
1677	*/
1678	if (lmsg->msg[sl_strlen(lmsg->msg)-1] != '>')
1679	(void) sl_strlcat (lmsg->msg, _(" />"), lmsg->msg_len);
1680	#endif
1681
1682	SL_RETURN(0, _("sh_error_string"));
1683	}
1684
1685
1686
1687
1688	/* --- Initialize. ---
1689	*/
1690	static int sh_error_init ()
1691	{
1692	register int j;
1693
1694	SL_ENTER(_("sh_error_init"));
1695
1696	errFlags.debug = 0;
1697	errFlags.HaveLog = GOOD;
1698	errFlags.sysloglevel = SH_ERR_NOT;
1699	#if defined(SH_STEALTH)
1700	errFlags.loglevel = SH_ERR_NOT;
1701	#else
1702	errFlags.loglevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1703	SH_ERR_FATAL);
1704	#endif
1705	errFlags.externallevel = SH_ERR_NOT;
1706	errFlags.databaselevel = SH_ERR_NOT;
1707	errFlags.preludelevel = SH_ERR_NOT;
1708	errFlags.maillevel = SH_ERR_FATAL;
1709	#if defined(SH_STEALTH)
1710	errFlags.printlevel = SH_ERR_NOT;
1711	#else
1712	errFlags.printlevel = (SH_ERR_INFO \| SH_ERR_NOTICE \| SH_ERR_WARN \|
1713	SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1714	SH_ERR_FATAL);
1715	flag_err_info = SL_TRUE;
1716	#endif
1717
1718	#if defined(SH_WITH_SERVER)
1719	errFlags.exportlevel = SH_ERR_NOT;
1720	#else
1721	errFlags.exportlevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1722	SH_ERR_FATAL);
1723	#endif
1724
1725	errFlags.log_class = 0xFFFF;
1726	errFlags.print_class = 0xFFFF;
1727	errFlags.mail_class = 0xFFFF;
1728	errFlags.export_class = 0xFFFF;
1729	errFlags.syslog_class = 0xFFFF;
1730	errFlags.external_class = 0xFFFF;
1731	errFlags.database_class = 0xFFFF;
1732	errFlags.prelude_class = 0xFFFF;
1733
1734
1735	for (j = 0; j < SH_ERR_T_END; ++j)
1736	ShDFLevel[j] = SH_ERR_SEVERE;
1737
1738	IsInitialized = GOOD;
1739	SL_RETURN (0, _("sh_error_init"));
1740	}

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