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source: trunk/src/sh_error.c@ 516

Last change on this file since 516 was 510, checked in by katerina, 8 years ago
Fix for ticket #403 (case sensitivity of severity/class).
File size: 43.3 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	#undef _GNU_SOURCE
30	#endif
31	#include <string.h>
32	#include <stdio.h>
33	#include <stdlib.h>
34	#include <stdarg.h>
35	#include <ctype.h>
36	#include <limits.h>
37	#include <errno.h>
38
39	/* Required on FreeBSD
40	*/
41	#include <sys/types.h>
42
43	#ifdef HAVE_MEMORY_H
44	#include <memory.h>
45	#endif
46
47	#if defined(HAVE_MLOCK) && !defined(HAVE_BROKEN_MLOCK)
48	#include <sys/mman.h>
49	#endif
50
51
52
53	#include "samhain.h"
54
55	#include "sh_cat.h"
56	#include "sh_database.h"
57	#include "sh_error.h"
58	#include "sh_utils.h"
59	#include "sh_unix.h"
60	#include "sh_tiger.h"
61	#include "sh_nmail.h"
62	#include "sh_xfer.h"
63	#include "sh_prelude.h"
64	#include "sh_pthread.h"
65
66	#if defined(WITH_DATABASE)
67	#include "sh_tools.h"
68	#endif
69
70	#if defined(WITH_EXTERNAL)
71	#include "sh_extern.h"
72	#endif
73
74	#undef FIL__
75	#define FIL__ _("sh_error.c")
76	/@-noret -compmempass@/
77	extern int clt_class;
78
79	int flag_err_debug = S_FALSE;
80	int flag_err_info = S_FALSE;
81
82	int ShDFLevel[SH_ERR_T_END];
83
84	typedef struct _log_t {
85	char file[SH_PATHBUF];
86	char format[SH_PATHBUF];
87	/@null@/char * msg;
88	size_t msg_len;
89	int severity;
90	int class;
91	int pid;
92	long status;
93	long line;
94	char timestamp[TIM_MAX];
95	} sh_log_t;
96
97
98	struct _errFlags errFlags;
99
100	static int sh_error_init (void);
101
102	inline
103	static const char * get_format(unsigned long msg_id, int * priority,
104	unsigned int * class);
105
106	static int sh_error_string (struct _log_t * lmsg, va_list vl);
107
108	extern int sh_log_console (/@null@/const char *message);
109	extern int sh_log_syslog (int severity, /@null@/char *message);
110	extern int sh_log_file (/@null@/char *message,
111	/@null@/char * inet_peer);
112	/* convert a string to a numeric priority
113	*/
114	int sh_error_convert_level (const char * str_s);
115
116	static int IsInitialized = BAD;
117
118	/* --- Only log to stderr. ---
119	*/
120	int OnlyStderr = S_TRUE;
121
122	/* --- Enable facilities not safe for closeall(). ---
123	*/
124	int enableUnsafe = S_FALSE;
125
126	/*********************************************
127	* utility functions for verifying entries
128	*********************************************/
129
130	int sh_error_verify (const char * s)
131	{
132	char * foo;
133	char hashbuf[KEYBUF_SIZE];
134
135	if (s[0] == '/')
136	{
137	foo = sh_tiger_hash_gpg (s, TIGER_FILE, TIGER_NOLIM);
138	fprintf (stdout, _("%s\n"), foo);
139	SH_FREE(foo);
140	}
141	else
142	{
143	fprintf (stdout, _("string=<%s>, hash=<%s>\n"),
144	s, sh_tiger_hash (s, TIGER_DATA,
145	(unsigned long) sl_strlen(s),
146	hashbuf, sizeof(hashbuf))
147	);
148	}
149	(void) fflush(stdout);
150	_exit (EXIT_SUCCESS);
151	/@i@/return 0;
152	}
153
154
155
156	/*********************************************
157	* end utility functions
158	*********************************************/
159
160	void sh_error_only_stderr (int flag)
161	{
162	OnlyStderr = flag;
163	return;
164	}
165
166	void sh_error_enable_unsafe (int flag)
167	{
168	enableUnsafe = flag;
169	return;
170	}
171
172	static int dbg_store = 0;
173	static int dbg_flag = 0;
174
175	static
176	void compute_flag_err_debug(void)
177	{
178	if ((errFlags.loglevel & SH_ERR_ALL) != 0)
179	flag_err_debug = S_TRUE;
180	else if ((errFlags.printlevel & SH_ERR_ALL) != 0)
181	flag_err_debug = S_TRUE;
182	else if ((errFlags.maillevel & SH_ERR_ALL) != 0)
183	flag_err_debug = S_TRUE;
184	else if ((errFlags.exportlevel & SH_ERR_ALL) != 0)
185	flag_err_debug = S_TRUE;
186	else if ((errFlags.sysloglevel & SH_ERR_ALL) != 0)
187	flag_err_debug = S_TRUE;
188	else if ((errFlags.externallevel & SH_ERR_ALL) != 0)
189	flag_err_debug = S_TRUE;
190	else if ((errFlags.databaselevel & SH_ERR_ALL) != 0)
191	flag_err_debug = S_TRUE;
192	else if ((errFlags.preludelevel & SH_ERR_ALL) != 0)
193	flag_err_debug = S_TRUE;
194	else
195	flag_err_debug = S_FALSE;
196	return;
197	}
198
199	static
200	void compute_flag_err_info(void)
201	{
202	if ((errFlags.loglevel & SH_ERR_INFO) != 0)
203	flag_err_info = S_TRUE;
204	else if ((errFlags.printlevel & SH_ERR_INFO) != 0)
205	flag_err_info = S_TRUE;
206	else if ((errFlags.maillevel & SH_ERR_INFO) != 0)
207	flag_err_info = S_TRUE;
208	else if ((errFlags.exportlevel & SH_ERR_INFO) != 0)
209	flag_err_info = S_TRUE;
210	else if ((errFlags.sysloglevel & SH_ERR_INFO) != 0)
211	flag_err_info = S_TRUE;
212	else if ((errFlags.externallevel & SH_ERR_INFO) != 0)
213	flag_err_info = S_TRUE;
214	else if ((errFlags.databaselevel & SH_ERR_INFO) != 0)
215	flag_err_info = S_TRUE;
216	else if ((errFlags.preludelevel & SH_ERR_INFO) != 0)
217	flag_err_info = S_TRUE;
218	else
219	flag_err_info = S_FALSE;
220	return;
221	}
222
223	void sh_error_dbg_switch(void)
224	{
225	if (dbg_flag == 0)
226	{
227	dbg_store = errFlags.printlevel;
228	errFlags.printlevel = (SH_ERR_ALL \| SH_ERR_INFO \| SH_ERR_NOTICE \|
229	SH_ERR_WARN \| SH_ERR_STAMP \| SH_ERR_ERR \|
230	SH_ERR_SEVERE \| SH_ERR_FATAL);
231	dbg_flag = 1;
232	flag_err_debug = S_TRUE;
233	}
234	else {
235	errFlags.printlevel = dbg_store;
236	dbg_store = 0;
237	dbg_flag = 0;
238	compute_flag_err_debug();
239	}
240	return;
241	}
242
243	static int sh_error_set_classmask (const char * str, int * facility_mask)
244	{
245	char * p;
246	char * q;
247	int num = 0;
248	unsigned int i;
249	size_t len;
250	char * c;
251
252	SL_ENTER(_("sh_error_set_classmask"));
253
254	if (str == NULL)
255	SL_RETURN( -1, _("sh_error_set_classmask"));
256
257	if (IsInitialized == BAD)
258	(void) sh_error_init();
259
260	if (str[0] == (char) 34)
261	++str;
262	len = strlen(str);
263
264	c = SH_ALLOC(len+1);
265	sl_strlcpy(c, str, len+1);
266
267	if (c[len-1] == (char) 34)
268	c[len-1] = '\0';
269
270	*facility_mask = 0;
271
272	do {
273	#if defined(HAVE_PTHREAD) && defined (_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_STRTOK_R)
274	char * saveptr;
275	if (num == 0) {
276	p = strtok_r (c, " ,\t", &saveptr);
277	++num;
278	} else {
279	p = strtok_r (NULL, " ,\t", &saveptr);
280	}
281	#else
282	if (num == 0) {
283	p = strtok (c, " ,\t");
284	++num;
285	} else {
286	p = strtok (NULL, " ,\t");
287	}
288	#endif
289
290	if (p == NULL)
291	break;
292
293	q = p; while (q != '\0') { q = toupper( (int) *q); ++q; }
294
295	for (i = 0; i < SH_CLA_MAX; ++i)
296	{
297	if (i < SH_CLA_RAW_MAX) {
298	if (0 == strcmp(p, _(class_cat[i])))
299	*facility_mask \|= (1 << i);
300	} else {
301	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 0])))
302	*facility_mask \|= OTHER_CLA;
303	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 1])))
304	*facility_mask \|= RUN_NEW;
305	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 2])))
306	*facility_mask \|= FIL_NEW;
307	if (0 == strcmp(p, _(class_cat[SH_CLA_RAW_MAX + 3])))
308	*facility_mask \|= ERROR_CLA;
309	}
310	}
311
312	} while (p);
313
314	SH_FREE(c);
315	SL_RETURN( 0, _("sh_error_set_classmask"));
316	}
317
318	int sh_error_log_mask (const char * c)
319	{
320	return (sh_error_set_classmask(c, &(errFlags.log_class)));
321	}
322	int sh_error_mail_mask (const char * c)
323	{
324	return (sh_error_set_classmask(c, &(errFlags.mail_class)));
325	}
326	int sh_error_print_mask (const char * c)
327	{
328	return (sh_error_set_classmask(c, &(errFlags.print_class)));
329	}
330	int sh_error_export_mask (const char * c)
331	{
332	return (sh_error_set_classmask(c, &(errFlags.export_class)));
333	}
334	int sh_error_syslog_mask (const char * c)
335	{
336	return (sh_error_set_classmask(c, &(errFlags.syslog_class)));
337	}
338	int sh_error_external_mask (const char * c)
339	{
340	return (sh_error_set_classmask(c, &(errFlags.external_class)));
341	}
342	int sh_error_database_mask (const char * c)
343	{
344	return (sh_error_set_classmask(c, &(errFlags.database_class)));
345	}
346	int sh_error_prelude_mask (const char * c)
347	{
348	return (sh_error_set_classmask(c, &(errFlags.prelude_class)));
349	}
350
351
352
353	char * sh_error_message (int tellme, char * str, size_t len)
354	{
355
356	#if defined(HAVE_STRERROR_R)
357	if (len > 0) str[0] = '\0';
358	strerror_r(tellme, str, len);
359	return str;
360	#elif defined(HAVE_STRERROR)
361	sl_strlcpy(str, strerror(tellme), len);
362	return str;
363	#else
364
365	char *p = NULL;
366	#ifdef EACCES
367	if (tellme == EACCES) p = _("Permission denied.");
368	#endif
369	#ifdef EAGAIN
370	if (tellme == EAGAIN) p = _("Try again.");
371	#endif
372	#ifdef EBADF
373	if (tellme == EBADF) p = _("File descriptor in bad state.");
374	#endif
375	#ifdef EEXIST
376	if (tellme == EEXIST) p = _("File exists.");
377	#endif
378	#ifdef EFAULT
379	if (tellme == EFAULT) p = _("Bad address.");
380	#endif
381	#ifdef EINVAL
382	if (tellme == EINVAL) p = _("Invalid argument.");
383	#endif
384	#ifdef EISDIR
385	if (tellme == EISDIR) p = _("Is a directory.");
386	#endif
387	#ifdef EINTR
388	if (tellme == EINTR) p = _("System call was interrupted.");
389	#endif
390	#ifdef EIO
391	if (tellme == EIO) p = _("Low-level I/O error.");
392	#endif
393	#ifdef ELOOP
394	if (tellme == ELOOP) p = _("Too many symbolic links encountered.");
395	#endif
396	#ifdef EMFILE
397	if (tellme == EMFILE) p = _("Too many open files.");
398	#endif
399	#ifdef EMLINK
400	if (tellme == EMLINK) p = _("Too many links.");
401	#endif
402	#ifdef ENAMETOOLONG
403	if (tellme == ENAMETOOLONG)
404	p = _("File name too long.");
405	#endif
406	#ifdef ENFILE
407	if (tellme == ENFILE) p = _("File table overflow.");
408	#endif
409	#ifdef ENOENT
410	if (tellme == ENOENT) p = _("File does not exist.");
411	#endif
412	#ifdef ENOMEM
413	if (tellme == ENOMEM) p = _("Out of memory.");
414	#endif
415	#ifdef ENOSPC
416	if (tellme == ENOSPC) p = _("No space on device.");
417	#endif
418	#ifdef ENOTDIR
419	if (tellme == ENOTDIR) p = _("Not a directory.");
420	#endif
421	#ifdef ENOTSOCK
422	if (tellme == ENOTSOCK) p = _("Not a socket.");
423	#endif
424	#ifdef EOPNOTSUPP
425	if (tellme == EOPNOTSUPP) p = _("Socket is not of type SOCK_STREAM.");
426	#endif
427	#ifdef EPERM
428	if (tellme == EPERM) p = _("Permission denied.");
429	#endif
430	#ifdef EPIPE
431	if (tellme == EPIPE) p = _("No read on pipe.");
432	#endif
433	#ifdef EROFS
434	if (tellme == EROFS) p = _("Read-only file system.");
435	#endif
436	#ifdef ETXTBSY
437	if (tellme == ETXTBSY) p = _("Text file busy.");
438	#endif
439	#ifdef EWOULDBLOCK
440	if (tellme == EWOULDBLOCK)
441	p = _("No connections on non-blocking socket.");
442	#endif
443	#ifdef EXDEV
444	if (tellme == EXDEV) p = _("Not on same file system.");
445	#endif
446	if (!p) p = _("Unknown error");
447	sl_strlcpy(str, p, len);
448	return str;
449	#endif /* ifndef HAVE_STRERROR */
450	}
451
452
453	/* switch off file log
454	*/
455	void sh_error_logoff()
456	{
457	errFlags.HaveLog = BAD;
458	return;
459	}
460
461	/* switch on file log
462	*/
463	void sh_error_logrestore()
464	{
465	errFlags.HaveLog = GOOD;
466	return;
467	}
468
469	/* --- Relate priority levels to literals. ---
470	*/
471	typedef struct eef
472	{
473	const char * str;
474	int val;
475	} eef_struc;
476
477	static eef_struc eef_tab[] =
478	{
479	{ N_("none"), SH_ERR_NOT },
480	{ N_("debug"), SH_ERR_ALL },
481	{ N_("info"), SH_ERR_INFO },
482	{ N_("notice"), SH_ERR_NOTICE },
483	{ N_("warn"), SH_ERR_WARN },
484	{ N_("mark"), SH_ERR_STAMP },
485	{ N_("err"), SH_ERR_ERR },
486	{ N_("crit"), SH_ERR_SEVERE },
487	{ N_("alert"), SH_ERR_FATAL },
488	#if defined(SH_WITH_SERVER)
489	#define SH_EEF_MAX 10
490	{ N_("inet"), SH_ERR_INET },
491	#else
492	#define SH_EEF_MAX 9
493	#endif
494	};
495
496	int sh_error_convert_level (const char * str_s)
497	{
498	int i;
499	int level = (-1);
500	char * tmp;
501	char * q;
502
503	SL_ENTER(_("sh_error_convert_level"));
504
505	if (str_s == NULL)
506	SL_RETURN( -1, _("sh_error_convert_level"));
507
508	q = sh_util_strdup(str_s);
509	tmp = q; while (tmp != '\0') { tmp = tolower( (int) *tmp); ++tmp; }
510
511	for (i = 0; i < SH_EEF_MAX; ++i)
512	{
513	if (0 == sl_strncmp(q, _(eef_tab[i].str),
514	sl_strlen(eef_tab[i].str)))
515	{
516	level = eef_tab[i].val;
517	break;
518	}
519	}
520
521	SH_FREE(q);
522	SL_RETURN( level, _("sh_error_convert_level"));
523	}
524
525
526	/* --- Set severity levels. ---
527	*/
528	int sh_error_set_iv (int iv, const char * str_s)
529	{
530	int level = (-1);
531
532	SL_ENTER(_("sh_error_set_iv"));
533
534	if (IsInitialized == BAD)
535	(void) sh_error_init();
536
537	level = sh_error_convert_level (str_s);
538
539	if (level == (-1))
540	{
541	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
542	_("severity"),
543	str_s != NULL ? str_s : _("(NULL)"));
544	SL_RETURN (-1, _("sh_error_set_iv"));
545	}
546
547	if (iv > SH_ERR_T_START && iv < SH_ERR_T_END)
548	{
549	ShDFLevel[iv] = level;
550	}
551	else
552	{
553	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALL,
554	_("severity"), (long) iv);
555	SL_RETURN (-1, _("sh_error_set_iv"));
556	}
557	SL_RETURN (0, _("sh_error_set_iv"));
558	}
559
560	int sh_error_set_level(const char * str_in, int * facility)
561	{
562	register int i, j, f = BAD;
563
564	int old_facility;
565	char * str_s;
566	char * str_orig;
567	char * tmp;
568
569	SL_ENTER(_("sh_error_set_level"));
570
571	str_s = sh_util_strdup(str_in);
572	str_orig = str_s;
573
574	tmp = str_s; while (tmp != '\0') { tmp = tolower( (int) *tmp); ++tmp; }
575
576	if (IsInitialized == BAD)
577	(void) sh_error_init();
578
579	old_facility = *facility;
580	*facility = 0;
581
582	checkstr:
583
584	if (str_s != NULL)
585	{
586	if (0 == sl_strncmp(str_s, _(eef_tab[0].str), sl_strlen(eef_tab[0].str)))
587	{
588	facility \|= eef_tab[0].val; / This is 'none' */
589	for (i = 1; i < SH_EEF_MAX; ++i)
590	*facility &= ~eef_tab[i].val;
591	f = GOOD;
592	}
593	else if (str_s[0] == '') / all */
594	{
595	for (i = 1; i < SH_EEF_MAX; ++i)
596	*facility \|= eef_tab[i].val;
597	f = GOOD;
598	}
599	else if (str_s[0] == '=')
600	{
601	for (i = 1; i < SH_EEF_MAX; ++i)
602	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
603	sl_strlen(eef_tab[i].str)))
604	{
605	*facility \|= eef_tab[i].val;
606	f = GOOD;
607	}
608	}
609	else if (str_s[0] == '!')
610	{
611	if (str_s[1] == '*' \|\|
612	0 == sl_strncmp(&str_s[1], _(eef_tab[1].str),
613	sl_strlen(eef_tab[1].str)))
614	{
615	facility \|= eef_tab[0].val; / This is 'none' */
616	for (i = 1; i < SH_EEF_MAX; ++i)
617	*facility &= ~eef_tab[i].val;
618	f = GOOD;
619	}
620	else if (str_s[1] == '=')
621	{
622	for (i = 1; i < SH_EEF_MAX; ++i)
623	{
624	if (0 == sl_strncmp(&str_s[2], _(eef_tab[i].str),
625	sl_strlen(eef_tab[i].str)))
626	{
627	*facility &= ~eef_tab[i].val;
628	f = GOOD;
629	}
630	}
631	}
632	else
633	{
634	for (i = 1; i < SH_EEF_MAX; ++i)
635	{
636	if (0 == sl_strncmp(&str_s[1], _(eef_tab[i].str),
637	sl_strlen(eef_tab[i].str)))
638	{
639	for (j = i; j < SH_EEF_MAX; ++j)
640	{
641	*facility &= ~eef_tab[j].val;
642	}
643	f = GOOD;
644	}
645	}
646	}
647	}
648	else /* plain severity name */
649	{
650	for (i = 1; i < SH_EEF_MAX; ++i)
651	{
652	if (0 == sl_strncmp(str_s, _(eef_tab[i].str),
653	sl_strlen(eef_tab[i].str)))
654	{
655	for (j = i; j < SH_EEF_MAX; ++j)
656	{
657	*facility \|= eef_tab[j].val;
658	}
659	f = GOOD;
660	break;
661	}
662	}
663	}
664	}
665
666	if (!str_s)
667	{
668	if (str_orig) SH_FREE(str_orig);
669	SL_RETURN ((-1), _("sh_error_set_level"));
670	}
671	/* skip to end of string
672	*/
673	while (str_s != '\0' && str_s != ';' && *str_s != ',' &&
674	str_s != ' ' && str_s != '\t')
675	++str_s;
676
677	/* skip seperator
678	*/
679	while ((*str_s != '\0') &&
680	(str_s == ';' \|\| str_s == ',' \|\| str_s == ' ' \|\| str_s == '\t'))
681	++str_s;
682
683	if (*str_s != '\0')
684	{
685	f = BAD;
686	goto checkstr;
687	}
688
689	if (f == BAD)
690	{
691	*facility = old_facility;
692	sh_error_handle ((-1), FIL__, __LINE__, EINVAL, MSG_EINVALS,
693	_("priority"), str_in);
694	SH_FREE(str_orig);
695	SL_RETURN (-1, _("sh_error_set_level"));
696	}
697	compute_flag_err_debug();
698	compute_flag_err_info();
699	SH_FREE(str_orig);
700	SL_RETURN (0, _("sh_error_set_level"));
701	}
702
703	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
704	/* set severity for TCP export
705	*/
706	int sh_error_setexport(const char * str_s)
707	{
708	static int reject = 0;
709	if (reject == 1)
710	return (0);
711
712	if (sh.flag.opts == S_TRUE)
713	reject = 1;
714
715	return (sh_error_set_level(str_s, &errFlags.exportlevel));
716	}
717	#endif
718
719	/* set severity for printing
720	*/
721	extern void dlog_set_active(int flag);
722
723	int sh_error_setprint(const char * str_s)
724	{
725	static int reject = 0;
726	int retval;
727
728	if (reject == 1)
729	return (0);
730
731	if (sh.flag.opts == S_TRUE)
732	reject = 1;
733
734	retval = sh_error_set_level(str_s, &errFlags.printlevel);
735
736	if (0 != (errFlags.printlevel & SH_ERR_INFO))
737	dlog_set_active(1);
738	if (0 != (errFlags.printlevel & SH_ERR_ALL))
739	dlog_set_active(2);
740	return retval;
741	}
742
743
744	/* set level for error logging
745	*/
746	int sh_error_setlog(const char * str_s)
747	{
748	static int reject = 0;
749	if (reject == 1)
750	return (0);
751
752	if (sh.flag.opts == S_TRUE)
753	reject = 1;
754
755	return ( sh_error_set_level(str_s, &errFlags.loglevel) );
756	}
757
758
759	/* set severity for syslog
760	*/
761	int sh_error_set_syslog (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.sysloglevel));
771	}
772
773	#if defined(WITH_EXTERNAL)
774	/* set severity for external
775	*/
776	int sh_error_set_external (const char * str_s)
777	{
778	static int reject = 0;
779	if (reject == 1)
780	return (0);
781
782	if (sh.flag.opts == S_TRUE)
783	reject = 1;
784
785	return (sh_error_set_level(str_s, &errFlags.externallevel));
786	}
787	#endif
788
789	#if defined(WITH_DATABASE)
790	/* set severity for database
791	*/
792	int sh_error_set_database (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.databaselevel));
802	}
803	#endif
804
805	#if defined(HAVE_LIBPRELUDE)
806	/* set severity for prelude
807	*/
808	int sh_error_set_prelude (const char * str_s)
809	{
810	static int reject = 0;
811
812	if (reject == 1)
813	return (0);
814
815	if (sh.flag.opts == S_TRUE)
816	reject = 1;
817
818	return sh_error_set_level(str_s, &errFlags.preludelevel);
819	}
820	#endif
821
822	/* init or re-init log facilities that need it
823	*/
824	void sh_error_fixup(void)
825	{
826	#if defined(HAVE_LIBPRELUDE)
827	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
828	sh_prelude_init();
829	else
830	sh_prelude_stop();
831	#endif
832	#ifdef WITH_DATABASE
833	sh_database_reset();
834	#endif
835	return;
836	}
837
838	/* to be called from sh_prelude_reset
839	*/
840	void sh_error_init_prelude(void)
841	{
842	#if defined(HAVE_LIBPRELUDE)
843	if ((errFlags.preludelevel & SH_ERR_NOT) == 0)
844	sh_prelude_init();
845	else
846	sh_prelude_stop();
847	#endif
848	return;
849	}
850
851
852	/* set severity for mailing
853	*/
854	int sh_error_setseverity (const char * str_s)
855	{
856	static int reject = 0;
857	if (reject == 1)
858	return (0);
859
860	if (sh.flag.opts == S_TRUE)
861	reject = 1;
862
863	return (sh_error_set_level(str_s, &errFlags.maillevel));
864	}
865
866	#ifdef SH_WITH_SERVER
867	static char inet_peer[SH_MINIBUF] = { '\0' };
868	#ifdef HAVE_LIBPRELUDE
869	static char inet_peer_ip[SH_IP_BUF] = { '\0' };
870
871	void sh_error_set_peer_ip(const char * str)
872	{
873	if (str == NULL)
874	inet_peer_ip[0] = '\0';
875	else
876	sl_strlcpy(inet_peer_ip, str, sizeof(inet_peer_ip));
877	}
878	#endif
879
880	void sh_error_set_peer(const char * str)
881	{
882	if (str == NULL)
883	inet_peer[0] = '\0';
884	else
885	sl_strlcpy(inet_peer, str, sizeof(inet_peer));
886	}
887	#endif
888
889	#if defined(SH_WITH_CLIENT) \|\| defined(SH_STANDALONE)
890	#include "sh_checksum.h"
891	static char * sh_error_replace(const char * msg)
892	{
893	char * ret = NULL;
894
895	if (sh_tiger_get_hashtype () == SH_SHA256)
896	{
897	char * store = NULL;
898
899	#ifdef SH_USE_XML
900	char c_end = '"';
901	char * str = _("chksum_old=\"");
902	char * str2 = _("chksum_new=\"");
903	#else
904	char c_end = '>';
905	char * str = _("chksum_old=<");
906	char * str2 = _("chksum_new=<");
907	#endif
908
909	ret = SHA256_ReplaceBaseByHex(msg, str, c_end);
910
911	if (ret) {
912	store = ret;
913	ret = SHA256_ReplaceBaseByHex(ret, str2, c_end);
914	if (ret)
915	SH_FREE(store);
916	else
917	ret = store;
918	} else {
919	ret = SHA256_ReplaceBaseByHex(msg, str2, c_end);
920	}
921	}
922	return ret;
923	}
924	static void sh_replace_free(char * msg)
925	{
926	if (msg)
927	SH_FREE(msg);
928	return;
929	}
930	#else
931	static char * sh_error_replace(const char * msg) { (void) msg; return NULL; }
932	static void sh_replace_free(char * msg) { (void) msg; return; }
933	#endif
934
935	/**********************************************************
936	**********************************************************
937	*
938	* -------- MAIN ERROR HANDLING FUNCTION -----------------
939	*
940	*
941	* this function should be called to report an error
942	*
943	**********************************************************
944	**********************************************************/
945
946	SH_MUTEX_RECURSIVE(mutex_err_handle);
947
948	void sh_error_handle (int sev1, const char * file, long line,
949	long status, unsigned long msg_id, ...)
950	{
951	va_list vl; /* argument list */
952	struct _log_t * lmsg;
953
954	int severity;
955	unsigned int class;
956	const char * fmt;
957	volatile int sev = sev1; /* Avoids the 'clobbered by longjmp' warning. */
958
959	int flag_inet;
960
961	#ifdef SH_WITH_SERVER
962	int class_inet = clt_class; /* initialize from global */
963	char local_inet_peer[SH_MINIBUF];
964	#ifdef HAVE_LIBPRELUDE
965	char local_inet_peer_ip[SH_IP_BUF];
966	#endif
967	#endif
968
969	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
970	char * ex_msg;
971	#endif
972	#if defined(WITH_DATABASE)
973	char * escape_msg;
974	#endif
975
976	char * hexmsg = NULL;
977
978	static int own_block = 0;
979
980	/*
981	* Block a facility for errors generated
982	* within that facility.
983	*/
984	static int print_block = 0;
985	#if defined(SH_WITH_MAIL)
986	static int mail_block = 0;
987	#endif
988	static int syslog_block = 0;
989	static int log_block = 0;
990	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
991	static int export_block = 0;
992	#endif
993	#if defined(WITH_EXTERNAL)
994	static int external_block = 0;
995	#endif
996	#if defined(WITH_DATABASE)
997	static int database_block = 0;
998	#endif
999	#ifdef HAVE_LIBPRELUDE
1000	static int prelude_block = 0;
1001	#endif
1002
1003	SL_ENTER(_("sh_error_handle"));
1004
1005	SH_MUTEX_RECURSIVE_INIT(mutex_err_handle);
1006	SH_MUTEX_RECURSIVE_LOCK(mutex_err_handle);
1007
1008	#ifdef SH_WITH_SERVER
1009	/* copy the global string into a local array
1010	*/
1011	if ((msg_id == MSG_TCP_MSG) && (inet_peer[0] != '\0'))
1012	{
1013	sl_strlcpy(local_inet_peer, inet_peer, sizeof(local_inet_peer));
1014	sh_error_set_peer(NULL);
1015	}
1016	else
1017	local_inet_peer[0] = '\0';
1018
1019	#ifdef HAVE_LIBPRELUDE
1020	if ((msg_id == MSG_TCP_MSG) && (inet_peer_ip[0] != '\0'))
1021	{
1022	sl_strlcpy(local_inet_peer_ip, inet_peer_ip, sizeof(local_inet_peer_ip));
1023	sh_error_set_peer_ip(NULL);
1024	}
1025	else
1026	local_inet_peer_ip[0] = '\0';
1027	#endif
1028
1029	clt_class = (-1); /* reset global */
1030	#endif
1031
1032
1033	if (own_block == 1)
1034	{
1035	goto exit_here;
1036	}
1037
1038	/* --- Initialize to default values. ---
1039	*/
1040	if (IsInitialized == BAD)
1041	(void) sh_error_init();
1042
1043	/* Returns pointer to (constant\|thread-specific) static memory
1044	*/
1045	fmt = /@i@/get_format (msg_id, &severity, &class);
1046
1047	#ifdef SH_WITH_SERVER
1048	if (class_inet != (-1))
1049	class = (unsigned int) class_inet;
1050	#endif
1051
1052	/* --- Consistency check. ---
1053	*/
1054	ASSERT((fmt != NULL), _("fmt != NULL"))
1055	if (fmt == NULL)
1056	{
1057	fprintf(stderr,
1058	_("ERROR: msg=<NULL format>, file=<%s>, line=<%ld>\n"),
1059	file, line);
1060	goto exit_here;
1061	}
1062
1063	/* --- Override the catalogue severity. ---
1064	*/
1065	if (sev != (-1))
1066	severity = sev;
1067
1068	/* --- Some statistics. ---
1069	*/
1070	#if defined (SH_WITH_CLIENT) \|\| defined (SH_STANDALONE)
1071	if ( ((1 << class) & ERROR_CLA) &&
1072	(severity & (SH_ERR_ERR\|SH_ERR_SEVERE\|SH_ERR_FATAL)))
1073	{
1074	++sh.statistics.files_error;
1075	}
1076	#endif
1077
1078	/* these are messages from remote sources
1079	*/
1080	if ((severity & SH_ERR_INET) != 0)
1081	{
1082	flag_inet = S_TRUE;
1083	}
1084	else
1085	{
1086	flag_inet = S_FALSE;
1087	}
1088
1089	/* --- Messages not wanted for logging. ---
1090	*/
1091	if ( ( (errFlags.printlevel & severity ) == 0 \|\|
1092	(errFlags.print_class & (1 << class)) == 0 ) &&
1093	( (errFlags.loglevel & severity ) == 0 \|\|
1094	(errFlags.log_class & (1 << class)) == 0 ) &&
1095	( (errFlags.sysloglevel & severity ) == 0 \|\|
1096	(errFlags.syslog_class & (1 << class)) == 0 ) &&
1097	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_CLIENT)
1098	( (errFlags.exportlevel & severity ) == 0 \|\|
1099	(errFlags.export_class & (1 << class)) == 0 ) &&
1100	#endif
1101	#ifdef WITH_EXTERNAL
1102	( (errFlags.externallevel & severity ) == 0 \|\|
1103	(errFlags.external_class & (1 << class)) == 0 ) &&
1104	#endif
1105	#ifdef HAVE_LIBPRELUDE
1106	( (errFlags.preludelevel & severity ) == 0 \|\|
1107	(errFlags.prelude_class & (1 << class)) == 0 ) &&
1108	#endif
1109	#ifdef WITH_DATABASE
1110	( (errFlags.databaselevel & severity ) == 0 \|\|
1111	(errFlags.database_class & (1 << class)) == 0 ) &&
1112	#endif
1113	( (errFlags.maillevel & severity ) == 0 \|\|
1114	(errFlags.mail_class & (1 << class)) == 0 )
1115	#ifdef SH_WITH_SERVER
1116	&& (flag_inet == S_FALSE) /* still log messages from remote sources */
1117	#endif
1118	)
1119	{
1120	goto exit_here;
1121	}
1122
1123	if ((severity & SH_ERR_NOT) != 0)
1124	{
1125	goto exit_here;
1126	}
1127
1128	#if defined(SH_WITH_CLIENT) \|\| defined(SH_STANDALONE)
1129	if ((sh_global_check_silent > SH_SILENT_STD) &&
1130	(((1 << FIL) & (1 << class)) != 0))
1131	{
1132	goto exit_here;
1133	}
1134	#endif
1135
1136	/* Allocate space for the message.
1137	*/
1138	own_block = 1;
1139	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
1140	MLOCK( (char *) lmsg, sizeof(struct _log_t));
1141	/@i@/lmsg->msg = NULL;
1142
1143	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
1144	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
1145	lmsg->severity = severity;
1146	lmsg->class = (int) class;
1147	lmsg->line = line;
1148	lmsg->status = status;
1149
1150	/* Format the log message with timestamp etc.
1151	* Allocate lmsg->msg
1152	*/
1153	va_start (vl, msg_id);
1154	(void) sh_error_string (lmsg, vl);
1155	va_end (vl);
1156	own_block = 0;
1157
1158	hexmsg = sh_error_replace(lmsg->msg);
1159
1160	/* Log to stderr.
1161	*/
1162	if ( ((errFlags.printlevel & severity) != 0 &&
1163	(errFlags.print_class & (1 << class)) != 0 &&
1164	(errFlags.printlevel & SH_ERR_NOT) == 0)
1165	#ifdef SH_WITH_SERVER
1166	\|\| (flag_inet == S_TRUE)
1167	#endif
1168	)
1169	{
1170	if (print_block == 0 && (errFlags.printlevel & SH_ERR_NOT) == 0)
1171	{
1172	/* no truncation
1173	*/
1174	print_block = 1;
1175	TPT(( 0, FIL__, __LINE__, lmsg->msg));
1176	/*
1177	* Reports first error after failure. Always tries.
1178	*/
1179	(void) sh_log_console (hexmsg ? hexmsg : lmsg->msg);
1180	print_block = 0;
1181	}
1182	}
1183
1184
1185	/* Full logging enabled.
1186	*/
1187	if (OnlyStderr == S_FALSE) /* full error logging enabled */
1188	{
1189
1190	/* Log to syslog.
1191	*/
1192	if ( (errFlags.sysloglevel & severity) != 0 &&
1193	(errFlags.syslog_class & (1 << class)) != 0 &&
1194	#ifndef INET_SYSLOG
1195	(flag_inet != S_TRUE) && /* !inet->syslog */
1196	#endif
1197	(errFlags.sysloglevel & SH_ERR_NOT) == 0 )
1198	{
1199	/* will truncate to 1023 bytes
1200	*/
1201	if (syslog_block == 0)
1202	{
1203	syslog_block = 1;
1204	/*
1205	* Ignores errors. Always tries.
1206	*/
1207	(void) sh_log_syslog (lmsg->severity, hexmsg ? hexmsg : lmsg->msg);
1208	syslog_block = 0;
1209	}
1210	}
1211
1212	#if defined(WITH_EXTERNAL)
1213	/*
1214	* -- external facility
1215	*/
1216	if ((errFlags.externallevel & severity) != 0 &&
1217	(errFlags.external_class & (1 << class)) != 0 &&
1218	(errFlags.externallevel & SH_ERR_NOT) == 0 &&
1219	class != AUD)
1220	{
1221	if (external_block == 0)
1222	{
1223	/* no truncation
1224	*/
1225	external_block = 1;
1226	/*
1227	* Reports first error after failure. Always tries.
1228	*/
1229	(void) sh_ext_execute ('l', 'o', 'g', hexmsg ? hexmsg : lmsg->msg, 0);
1230	external_block = 0;
1231	}
1232	}
1233	#endif
1234
1235	#if defined(WITH_DATABASE)
1236	/*
1237	* -- database facility
1238	*/
1239	if ((errFlags.databaselevel & severity) != 0 &&
1240	(errFlags.database_class & (1 << class)) != 0 &&
1241	(errFlags.databaselevel & SH_ERR_NOT) == 0 &&
1242	class != AUD)
1243	{
1244	if (database_block == 0 && enableUnsafe == S_TRUE)
1245	{
1246	/* truncates; query_max is 16k
1247	*/
1248	database_block = 1;
1249	#ifndef SH_STANDALONE
1250	if (msg_id == MSG_TCP_MSG
1251	#ifdef INET_SYSLOG
1252	\|\| msg_id == MSG_INET_SYSLOG
1253	#endif
1254	)
1255	{
1256	/* do not escape twice
1257	*/
1258	/*
1259	* Reports failure every 60 min. Always tries.
1260	*/
1261	(void) sh_database_insert (lmsg->msg);
1262	}
1263	else
1264	#endif
1265	{
1266	escape_msg = sh_tools_safe_name(lmsg->msg, 0);
1267	/*
1268	* Reports failure every 60 min. Always tries.
1269	*/
1270	(void) sh_database_insert (escape_msg);
1271	SH_FREE(escape_msg);
1272	}
1273	database_block = 0;
1274	}
1275	}
1276	#endif
1277
1278	/****************************************************
1279	* Optionally include client code for TCP forwarding
1280	* to log server
1281	****************************************************/
1282	#if defined(SH_WITH_CLIENT) \|\| defined(SH_WITH_SERVER)
1283	/* Export by TCP.
1284	*/
1285
1286	if ( ((errFlags.exportlevel & severity ) != 0 &&
1287	(errFlags.export_class & (1 << class)) != 0 &&
1288	(errFlags.exportlevel & SH_ERR_NOT) == 0 &&
1289	class != AUD )
1290	#ifdef SH_WITH_SERVER
1291	/* always log inet to export */
1292	\|\| (flag_inet == S_TRUE && sh.srvexport.name[0] != '\0')
1293	#endif
1294	/* sh.flag.isserver != GOOD && */
1295	/* (flag_inet == S_FALSE) / / don't log inet to export */
1296	)
1297	{
1298	if (export_block == 0)
1299	{
1300	int retval;
1301	size_t ex_len;
1302
1303	/* will truncate to 65280 bytes
1304	*/
1305	export_block = 1;
1306	/* ex_len = 64 + sl_strlen(lmsg->msg) + 1; */
1307	ex_len = sl_strlen(lmsg->msg);
1308	if (sl_ok_adds(ex_len, 65))
1309	ex_len = 64 + ex_len + 1;
1310	ex_msg = SH_ALLOC (ex_len);
1311
1312	sl_snprintf(ex_msg, ex_len, _("%d?%u?%s"),
1313	severity, class, lmsg->msg);
1314	retval = sh_xfer_report (ex_msg);
1315	SH_FREE(ex_msg);
1316	export_block = 0;
1317	if (retval == -2)
1318	{
1319	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1320	_("log server"));
1321	}
1322	}
1323	}
1324	#endif
1325
1326
1327	/* Log to mail.
1328	*/
1329	#if defined(SH_WITH_MAIL)
1330	if ((errFlags.maillevel & severity ) != 0 &&
1331	(errFlags.mail_class & (1 << class)) != 0 &&
1332	(errFlags.maillevel & SH_ERR_NOT) == 0 &&
1333	class != AUD &&
1334	(flag_inet == S_FALSE) ) /* don't log inet to email */
1335	{
1336	if (mail_block == 0)
1337	{
1338	int retval;
1339
1340	/* will truncate to 998 bytes
1341	*/
1342	mail_block = 1;
1343
1344	BREAKEXIT(sh_nmail_msg);
1345	if ( (severity & SH_ERR_FATAL) == 0)
1346	retval = sh_nmail_pushstack (severity, hexmsg ? hexmsg : lmsg->msg, NULL);
1347	else
1348	retval = sh_nmail_msg (severity, hexmsg ? hexmsg : lmsg->msg, NULL);
1349
1350	mail_block = 0;
1351	if (retval == -2)
1352	{
1353	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1354	_("email"));
1355	}
1356	}
1357	}
1358	#endif
1359
1360	#ifdef HAVE_LIBPRELUDE
1361	if (((errFlags.preludelevel & severity ) != 0 &&
1362	(errFlags.prelude_class & (1 << class)) != 0 &&
1363	(errFlags.preludelevel & SH_ERR_NOT) == 0 &&
1364	(class != AUD))
1365	#ifdef SH_WITH_SERVER
1366	\|\| (flag_inet == S_TRUE)
1367	#endif
1368	)
1369	{
1370	if (prelude_block == 0 && enableUnsafe == S_TRUE)
1371	{
1372	/* will truncate to 998 bytes
1373	*/
1374	prelude_block = 1;
1375
1376	BREAKEXIT(sh_prelude_alert);
1377	/*
1378	* Reports first error after failure. Always tries.
1379	*/
1380	#if defined(HAVE_LIBPRELUDE) && defined(SH_WITH_SERVER)
1381	(void) sh_prelude_alert (severity, (int) class,
1382	hexmsg ? hexmsg : lmsg->msg, lmsg->status, msg_id,
1383	local_inet_peer_ip);
1384	#else
1385	(void) sh_prelude_alert (severity, (int) class,
1386	hexmsg ? hexmsg : lmsg->msg, lmsg->status, msg_id,
1387	NULL);
1388	#endif
1389	prelude_block = 0;
1390	}
1391	}
1392	#endif
1393
1394	/* Log to logfile
1395	*/
1396
1397	if ( ( ( (errFlags.loglevel & severity) != 0 &&
1398	(errFlags.log_class & (1 << class)) != 0 &&
1399	(errFlags.loglevel & SH_ERR_NOT) == 0 )
1400	#ifdef SH_WITH_SERVER
1401	\|\| (flag_inet == S_TRUE)
1402	#endif
1403	) &&
1404	class != AUD &&
1405	(errFlags.HaveLog != BAD) && /* temporary switched off */
1406	(severity & SH_ERR_NOT) == 0 /* paranoia */
1407	)
1408	{
1409	if (log_block == 0)
1410	{
1411	/* no truncation
1412	*/
1413	log_block = 1;
1414	BREAKEXIT(sh_log_file);
1415	#ifdef SH_WITH_SERVER
1416	if (0 != sl_ret_euid())
1417	{
1418	/*
1419	* Reports first error after failure. Always tries.
1420	*/
1421	if (local_inet_peer[0] == '\0')
1422	(void) sh_log_file (lmsg->msg, NULL);
1423	else
1424	(void) sh_log_file (lmsg->msg, local_inet_peer);
1425	}
1426	#else
1427	(void) sh_log_file (hexmsg ? hexmsg : lmsg->msg, NULL);
1428	#endif
1429	/* sh_log_file (lmsg->msg); */
1430	log_block = 0;
1431	}
1432	}
1433
1434	}
1435
1436	/* Cleanup.
1437	*/
1438	own_block = 1;
1439
1440	if (lmsg->msg)
1441	SH_FREE( lmsg->msg );
1442	sh_replace_free(hexmsg);
1443
1444	memset ( lmsg, (int) '\0', sizeof(struct _log_t) );
1445	MUNLOCK( (char *) lmsg, sizeof(struct _log_t) );
1446	SH_FREE( lmsg );
1447	own_block = 0;
1448
1449	exit_here:
1450	; /* label at end of compound statement */
1451	SH_MUTEX_RECURSIVE_UNLOCK(mutex_err_handle);
1452
1453	/@i@/SL_RET0(_("sh_error_handle"));
1454	/@i@/}
1455
1456	#if defined(SH_WITH_MAIL)
1457	void sh_error_mail (const char * alias, int sev,
1458	const char * file, long line,
1459	long status, unsigned long msg_id, ...)
1460	{
1461	va_list vl; /* argument list */
1462	struct _log_t * lmsg;
1463
1464	int severity;
1465	unsigned int class;
1466	const char * fmt;
1467	int retval;
1468
1469	SL_ENTER(_("sh_error_mail"));
1470
1471	/* Returns pointer to (constant\|thread-specific) static memory
1472	*/
1473	fmt = /@i@/get_format (msg_id, &severity, &class);
1474
1475	if (!fmt)
1476	{
1477	SL_RET0(_("sh_error_mail"));
1478	}
1479
1480	/* --- Override the catalogue severity. ---
1481	*/
1482	if (sev != (-1))
1483	severity = sev;
1484
1485	/* --- Build the message. ---
1486	*/
1487	lmsg = (struct _log_t *) SH_ALLOC(sizeof(struct _log_t));
1488	MLOCK( (char *) lmsg, sizeof(struct _log_t));
1489	/@i@/lmsg->msg = NULL;
1490
1491	/@i@/(void) sl_strlcpy(lmsg->format, fmt, SH_PATHBUF);
1492	(void) sl_strlcpy(lmsg->file, file, SH_PATHBUF);
1493	lmsg->severity = severity;
1494	lmsg->class = (int) class;
1495	lmsg->line = line;
1496	lmsg->status = status;
1497
1498	/* Format the log message with timestamp etc.
1499	* Allocate lmsg->msg
1500	*/
1501	va_start (vl, msg_id);
1502	(void) sh_error_string (lmsg, vl);
1503	va_end (vl);
1504
1505	if ( (severity & SH_ERR_FATAL) == 0)
1506	retval = sh_nmail_pushstack (severity, lmsg->msg, alias);
1507	else
1508	retval = sh_nmail_msg (severity, lmsg->msg, alias);
1509
1510	if (retval == -2)
1511	{
1512	sh_error_handle ((-1), FIL__, __LINE__, 0, MSG_QUEUE_FULL,
1513	_("email"));
1514	}
1515	SL_RET0(_("sh_error_mail"));
1516	}
1517	#else
1518	void sh_error_mail (const char * alias, int sev,
1519	const char * file, long line,
1520	long status, unsigned long msg_id, ...)
1521	{
1522	(void) alias;
1523	(void) sev;
1524	(void) file;
1525	(void) line;
1526	(void) status;
1527	(void) msg_id;
1528
1529	return;
1530	}
1531	/* defined(SH_WITH_MAIL) */
1532	#endif
1533
1534	/* -------------------------
1535	*
1536	* private functions below
1537	*
1538	* -------------------------
1539	*/
1540
1541
1542	/* --- Get the format from the message catalog. ---
1543	*/
1544	/@owned@/ /@null@/inline
1545	static const char * get_format(unsigned long msg_id, /@out@/ int * priority,
1546	/@out@/unsigned int * class)
1547	{
1548	int i = 0;
1549
1550	SL_ENTER(_("get_format"));
1551	while (1 == 1)
1552	{
1553	if ( msg_cat[i].format == NULL )
1554	break;
1555
1556	if ( (unsigned long) msg_cat[i].id == msg_id)
1557	{
1558	*priority = (int) msg_cat[i].priority;
1559	*class = (unsigned int) msg_cat[i].class;
1560	SL_RETURN (((const char *) _(msg_cat[i].format)), _("get_format"));
1561	}
1562	++i;
1563	}
1564	*priority = SH_ERR_ERR;
1565	*class = ERR;
1566	SL_RETURN (NULL, _("get_format"));
1567	}
1568
1569	/@null@//@only@/static char * ehead_format = NULL;
1570
1571	/* allocate space for user-defined message header
1572	*/
1573	int sh_error_ehead (/@null@/const char * str_s)
1574	{
1575	size_t size;
1576	const char * s;
1577
1578	SL_ENTER(_("sh_error_ehead"));
1579
1580	if (str_s == NULL)
1581	{
1582	SL_RETURN (-1, _("sh_error_ehead"));
1583	}
1584
1585	/* ascii 34 ist t\"ttelchen
1586	*/
1587	/@i@/ if (str_s[0] == 34) s = &str_s[1];
1588	else s = str_s;
1589
1590	size = /@i@/strlen(s);
1591	if (/@i@/s[size-1] == (char) 34) --size; /* truncate */
1592
1593	if (ehead_format != NULL)
1594	SH_FREE(ehead_format);
1595
1596	/@i@/ehead_format = SH_ALLOC(size+1);
1597	/@i@/ (void) sl_strlcpy(ehead_format, s, size+1);
1598
1599	SL_RETURN( 0, _("sh_error_ehead"));
1600	}
1601
1602	#if !defined(VA_COPY)
1603	#if defined(__GNUC__) && defined(__PPC__) && (defined(_CALL_SYSV) \|\| defined(_WIN32))
1604	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1605	#elif defined(VA_COPY_AS_ARRAY)
1606	#define VA_COPY(ap1, ap2) memmove ((ap1), (ap2), sizeof (va_list))
1607	#else /* va_list is a pointer */
1608	#define VA_COPY(ap1, ap2) ((ap1) = (ap2))
1609	#endif
1610	#endif
1611
1612
1613	/* print an error into string
1614	*/
1615	static int sh_error_string (struct _log_t * lmsg, va_list vl)
1616	{
1617	size_t len;
1618	int required;
1619	unsigned long line;
1620	char sev[16] = "";
1621	char cla[16] = "";
1622	char tst[64] = "";
1623	char *p;
1624	va_list vl2;
1625
1626	st_format rep_ehead_tab[] = {
1627	{ 'S', S_FMT_STRING, 0, 0, NULL}, /* severity */
1628	{ 'T', S_FMT_STRING, 0, 0, NULL}, /* timestamp */
1629	{ 'F', S_FMT_STRING, 0, 0, NULL}, /* file */
1630	{ 'L', S_FMT_ULONG, 0, 0, NULL}, /* line */
1631	{ 'C', S_FMT_STRING, 0, 0, NULL}, /* class */
1632	{ 'E', S_FMT_LONG, 0, 0, NULL}, /* status */
1633	{'\0', S_FMT_ULONG, 0, 0, NULL},
1634	};
1635
1636	SL_ENTER(_("sh_error_string"));
1637
1638	if (ehead_format == NULL)
1639	{
1640	ehead_format = SH_ALLOC(64);
1641	#ifdef SH_USE_XML
1642	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1643	(void) sl_strlcpy(ehead_format,
1644	_("<log sev=\"%S\" tstamp=\"%T\" "), 64);
1645	else
1646	(void) sl_strlcpy(ehead_format,
1647	_("<log sev=\"%S\" tstamp=\"%T\" p.f=\"%F\" p.l=\"%L\" p.s=\"%E\" "), 64);
1648	#else
1649	if ((errFlags.printlevel & SH_ERR_ALL) == 0)
1650	(void) sl_strlcpy(ehead_format, _("%S %T "), 64);
1651	else
1652	(void) sl_strlcpy(ehead_format, _("%S %T (%F, %L, %E) "), 64);
1653	#endif
1654	}
1655
1656	/* header of error message
1657	*/
1658	#ifdef SH_USE_XML
1659	if ( (lmsg->severity & SH_ERR_INET) != 0)
1660	(void) sl_strlcpy (sev, _("RCVT"), 11);
1661	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1662	(void) sl_strlcpy (sev, _("DEBG"), 11);
1663	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1664	(void) sl_strlcpy (sev, _("INFO"), 11);
1665	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1666	(void) sl_strlcpy (sev, _("NOTE"), 11);
1667	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1668	(void) sl_strlcpy (sev, _("WARN"), 11);
1669	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1670	(void) sl_strlcpy (sev, _("MARK"), 11);
1671	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1672	(void) sl_strlcpy (sev, _("ERRO"), 11);
1673	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1674	(void) sl_strlcpy (sev, _("CRIT"), 11);
1675	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1676	(void) sl_strlcpy (sev, _("ALRT"), 11);
1677	else {
1678	(void) sl_strlcpy (sev, _("????"), 11);
1679	#else
1680	#if defined(INET_SYSLOG)
1681	if ( (lmsg->severity & SH_ERR_INET) != 0)
1682	(void) sl_strlcpy (sev, _("<NET> : "), 11);
1683	#else
1684	if ( (lmsg->severity & SH_ERR_INET) != 0)
1685	(void) sl_strlcpy (sev, _("<TCP> : "), 11);
1686	#endif
1687	else if ( (lmsg->severity & SH_ERR_ALL) != 0)
1688	(void) sl_strlcpy (sev, _("DEBUG : "), 11);
1689	else if ( (lmsg->severity & SH_ERR_INFO) != 0)
1690	(void) sl_strlcpy (sev, _("INFO : "), 11);
1691	else if ( (lmsg->severity & SH_ERR_NOTICE) != 0)
1692	(void) sl_strlcpy (sev, _("NOTICE : "), 11);
1693	else if ( (lmsg->severity & SH_ERR_WARN) != 0)
1694	(void) sl_strlcpy (sev, _("WARN : "), 11);
1695	else if ( (lmsg->severity & SH_ERR_STAMP) != 0)
1696	(void) sl_strlcpy (sev, _("MARK : "), 11);
1697	else if ( (lmsg->severity & SH_ERR_ERR) != 0)
1698	(void) sl_strlcpy (sev, _("ERROR : "), 11);
1699	else if ( (lmsg->severity & SH_ERR_SEVERE) != 0)
1700	(void) sl_strlcpy (sev, _("CRIT : "), 11);
1701	else if ( (lmsg->severity & SH_ERR_FATAL) != 0)
1702	(void) sl_strlcpy (sev, _("ALERT : "), 11);
1703	else {
1704	(void) sl_strlcpy (sev, _("??? : "), 11);
1705	#endif
1706	}
1707
1708	(void) sh_unix_time (0, tst, 64);
1709	line = (unsigned long) lmsg->line;
1710	(void) sl_strlcpy (cla, _(class_cat[lmsg->class]), 11);
1711
1712	/@i@/rep_ehead_tab[0].data_str = sev;
1713	/@i@/rep_ehead_tab[1].data_str = tst;
1714	/@i@/rep_ehead_tab[2].data_str = lmsg->file;
1715	/@i@/rep_ehead_tab[3].data_ulong = line;
1716	/@i@/rep_ehead_tab[4].data_str = cla;
1717	/@i@/rep_ehead_tab[5].data_long = lmsg->status;
1718
1719	p = /@i@/sh_util_formatted(ehead_format, rep_ehead_tab);
1720
1721	/* --- copy the header to lmsg->msg ---
1722	*/
1723	/@i@/lmsg->msg = SH_ALLOC(SH_BUFSIZE);
1724	lmsg->msg_len = SH_BUFSIZE;
1725
1726	if (p)
1727	{
1728	(void) sl_strlcpy (lmsg->msg, p, SH_BUFSIZE);
1729	SH_FREE(p);
1730	}
1731	else
1732	{
1733	lmsg->msg[0] = '\0';
1734	}
1735
1736
1737	/* --- copy message to lmsg->msg ---
1738	*/
1739	if ( NULL == strchr(lmsg->format, '%') )
1740	{
1741	(void) sl_strlcat (lmsg->msg, lmsg->format, (size_t) lmsg->msg_len);
1742	}
1743	else
1744	{
1745	/* use VA_COPY */
1746	/@i@/VA_COPY(vl2, vl);
1747	len = sl_strlen(lmsg->msg);
1748	/@i@/required = sl_vsnprintf(&(lmsg->msg[len]),
1749	(lmsg->msg_len - len), lmsg->format, vl);
1750
1751	if ((required >= 0) &&
1752	sl_ok_adds(required, len) &&
1753	sl_ok_adds((required+len), 4) &&
1754	((required + len) > (lmsg->msg_len - 4)) )
1755	{
1756	/@i@/p = SH_ALLOC(required + len + 4);
1757	(void) sl_strlcpy (p, lmsg->msg, required + len + 1);
1758	SH_FREE(lmsg->msg);
1759	lmsg->msg = p;
1760	lmsg->msg_len = required + len + 4;
1761	(void) sl_vsnprintf(&(lmsg->msg[len]),
1762	(required + 1), lmsg->format, vl2);
1763	}
1764	va_end(vl2);
1765	}
1766
1767	#ifdef SH_USE_XML
1768	/* closing tag
1769	*/
1770	if (lmsg->msg[sl_strlen(lmsg->msg)-1] != '>')
1771	(void) sl_strlcat (lmsg->msg, _(" />"), lmsg->msg_len);
1772	#endif
1773
1774	SL_RETURN(0, _("sh_error_string"));
1775	}
1776
1777
1778
1779
1780	/* --- Initialize. ---
1781	*/
1782	static int sh_error_init ()
1783	{
1784	register int j;
1785
1786	SL_ENTER(_("sh_error_init"));
1787
1788	errFlags.debug = 0;
1789	errFlags.HaveLog = GOOD;
1790	errFlags.sysloglevel = SH_ERR_NOT;
1791	#if defined(SH_STEALTH)
1792	errFlags.loglevel = SH_ERR_NOT;
1793	#else
1794	errFlags.loglevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1795	SH_ERR_FATAL);
1796	#endif
1797	errFlags.externallevel = SH_ERR_NOT;
1798	errFlags.databaselevel = SH_ERR_NOT;
1799	errFlags.preludelevel = SH_ERR_NOT;
1800	errFlags.maillevel = SH_ERR_FATAL;
1801	#if defined(SH_STEALTH)
1802	errFlags.printlevel = SH_ERR_NOT;
1803	#else
1804	errFlags.printlevel = (SH_ERR_INFO \| SH_ERR_NOTICE \| SH_ERR_WARN \|
1805	SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1806	SH_ERR_FATAL);
1807	flag_err_info = S_TRUE;
1808	#endif
1809
1810	#if defined(SH_WITH_SERVER)
1811	errFlags.exportlevel = SH_ERR_NOT;
1812	#else
1813	errFlags.exportlevel = (SH_ERR_STAMP \| SH_ERR_ERR \| SH_ERR_SEVERE \|
1814	SH_ERR_FATAL);
1815	#endif
1816
1817	errFlags.log_class = 0xFFFF;
1818	errFlags.print_class = 0xFFFF;
1819	errFlags.mail_class = 0xFFFF;
1820	errFlags.export_class = 0xFFFF;
1821	errFlags.syslog_class = 0xFFFF;
1822	errFlags.external_class = 0xFFFF;
1823	errFlags.database_class = 0xFFFF;
1824	errFlags.prelude_class = 0xFFFF;
1825
1826
1827	for (j = 0; j < SH_ERR_T_END; ++j)
1828	ShDFLevel[j] = SH_ERR_SEVERE;
1829
1830	IsInitialized = GOOD;
1831	SL_RETURN (0, _("sh_error_init"));
1832	}

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